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Finding the Fourth Proportional to 562,214.68, 843,434.70 and 207,230.20

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Solution

The fourth proportional to 562,214.68, 843,434.70 and 207,230.20 is: 310,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,214.68 : 843,434.70 = 207,230.20 : x
  2. Step 2: Convert to fraction form
    562,214.68/843,434.70 = 207,230.20/x
  3. Step 3: Cross multiply
    562,214.68x = 843,434.70 × 207,230.20
  4. Step 4: Simplify right side
    562,214.68x = 174,785,141,567.94
  5. Step 5: Solve for x
    x = 174,785,141,567.94/562,214.68
  6. Step 6: Final answer
    x = 310,886.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.