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Finding the Fourth Proportional to 372,373.76, 513,875.31 and 202,606.76

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Solution

The fourth proportional to 372,373.76, 513,875.31 and 202,606.76 is: 279,597.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,373.76 : 513,875.31 = 202,606.76 : x
  2. Step 2: Convert to fraction form
    372,373.76/513,875.31 = 202,606.76/x
  3. Step 3: Cross multiply
    372,373.76x = 513,875.31 × 202,606.76
  4. Step 4: Simplify right side
    372,373.76x = 104,114,611,603.10
  5. Step 5: Solve for x
    x = 104,114,611,603.10/372,373.76
  6. Step 6: Final answer
    x = 279,597.07

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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.