Home / 402,933.51-556,088.99-230,874.30

Finding the Fourth Proportional to 402,933.51, 556,088.99 and 230,874.30

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Solution

The fourth proportional to 402,933.51, 556,088.99 and 230,874.30 is: 318,629.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,933.51 : 556,088.99 = 230,874.30 : x
  2. Step 2: Convert to fraction form
    402,933.51/556,088.99 = 230,874.30/x
  3. Step 3: Cross multiply
    402,933.51x = 556,088.99 × 230,874.30
  4. Step 4: Simplify right side
    402,933.51x = 128,386,655,149.59
  5. Step 5: Solve for x
    x = 128,386,655,149.59/402,933.51
  6. Step 6: Final answer
    x = 318,629.88

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1.5x scale

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.