Home / 402,191.02-555,001.94-230,112.40

Finding the Fourth Proportional to 402,191.02, 555,001.94 and 230,112.40

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Solution

The fourth proportional to 402,191.02, 555,001.94 and 230,112.40 is: 317,542.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,191.02 : 555,001.94 = 230,112.40 : x
  2. Step 2: Convert to fraction form
    402,191.02/555,001.94 = 230,112.40/x
  3. Step 3: Cross multiply
    402,191.02x = 555,001.94 × 230,112.40
  4. Step 4: Simplify right side
    402,191.02x = 127,712,828,418.06
  5. Step 5: Solve for x
    x = 127,712,828,418.06/402,191.02
  6. Step 6: Final answer
    x = 317,542.71

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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.