Home / 371,914.08-513,230.65-210,784.02

Finding the Fourth Proportional to 371,914.08, 513,230.65 and 210,784.02

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Solution

The fourth proportional to 371,914.08, 513,230.65 and 210,784.02 is: 290,875.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,914.08 : 513,230.65 = 210,784.02 : x
  2. Step 2: Convert to fraction form
    371,914.08/513,230.65 = 210,784.02/x
  3. Step 3: Cross multiply
    371,914.08x = 513,230.65 × 210,784.02
  4. Step 4: Simplify right side
    371,914.08x = 108,180,818,540.29
  5. Step 5: Solve for x
    x = 108,180,818,540.29/371,914.08
  6. Step 6: Final answer
    x = 290,875.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.