Home / 369,944.10-554,916.15-212,042.70

Finding the Fourth Proportional to 369,944.10, 554,916.15 and 212,042.70

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Solution

The fourth proportional to 369,944.10, 554,916.15 and 212,042.70 is: 318,064.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,944.10 : 554,916.15 = 212,042.70 : x
  2. Step 2: Convert to fraction form
    369,944.10/554,916.15 = 212,042.70/x
  3. Step 3: Cross multiply
    369,944.10x = 554,916.15 × 212,042.70
  4. Step 4: Simplify right side
    369,944.10x = 117,665,918,719.61
  5. Step 5: Solve for x
    x = 117,665,918,719.61/369,944.10
  6. Step 6: Final answer
    x = 318,064.05

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1.5x scale

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.