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Finding the Fourth Proportional to 340,444.59, 510,666.89 and 103,785.22

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Solution

The fourth proportional to 340,444.59, 510,666.89 and 103,785.22 is: 155,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,444.59 : 510,666.89 = 103,785.22 : x
  2. Step 2: Convert to fraction form
    340,444.59/510,666.89 = 103,785.22/x
  3. Step 3: Cross multiply
    340,444.59x = 510,666.89 × 103,785.22
  4. Step 4: Simplify right side
    340,444.59x = 52,999,675,525.37
  5. Step 5: Solve for x
    x = 52,999,675,525.37/340,444.59
  6. Step 6: Final answer
    x = 155,677.83

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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.