Home / 371,032.17-512,024.56-209,883.79

Finding the Fourth Proportional to 371,032.17, 512,024.56 and 209,883.79

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Solution

The fourth proportional to 371,032.17, 512,024.56 and 209,883.79 is: 289,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,032.17 : 512,024.56 = 209,883.79 : x
  2. Step 2: Convert to fraction form
    371,032.17/512,024.56 = 209,883.79/x
  3. Step 3: Cross multiply
    371,032.17x = 512,024.56 × 209,883.79
  4. Step 4: Simplify right side
    371,032.17x = 107,465,654,176.46
  5. Step 5: Solve for x
    x = 107,465,654,176.46/371,032.17
  6. Step 6: Final answer
    x = 289,639.72

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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.