Home / 487,022.41-672,068.40-272,160.59

Finding the Fourth Proportional to 487,022.41, 672,068.40 and 272,160.59

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Solution

The fourth proportional to 487,022.41, 672,068.40 and 272,160.59 is: 375,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,022.41 : 672,068.40 = 272,160.59 : x
  2. Step 2: Convert to fraction form
    487,022.41/672,068.40 = 272,160.59/x
  3. Step 3: Cross multiply
    487,022.41x = 672,068.40 × 272,160.59
  4. Step 4: Simplify right side
    487,022.41x = 182,910,532,923.93
  5. Step 5: Solve for x
    x = 182,910,532,923.93/487,022.41
  6. Step 6: Final answer
    x = 375,569.03

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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.