Home / 371,018.13-556,528.47-90,535.38

Finding the Fourth Proportional to 371,018.13, 556,528.47 and 90,535.38

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Solution

The fourth proportional to 371,018.13, 556,528.47 and 90,535.38 is: 135,803.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,018.13 : 556,528.47 = 90,535.38 : x
  2. Step 2: Convert to fraction form
    371,018.13/556,528.47 = 90,535.38/x
  3. Step 3: Cross multiply
    371,018.13x = 556,528.47 × 90,535.38
  4. Step 4: Simplify right side
    371,018.13x = 50,385,516,512.27
  5. Step 5: Solve for x
    x = 50,385,516,512.27/371,018.13
  6. Step 6: Final answer
    x = 135,803.38

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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.