Home / 477,875.30-716,721.82-140,931.50

Finding the Fourth Proportional to 477,875.30, 716,721.82 and 140,931.50

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Solution

The fourth proportional to 477,875.30, 716,721.82 and 140,931.50 is: 211,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,875.30 : 716,721.82 = 140,931.50 : x
  2. Step 2: Convert to fraction form
    477,875.30/716,721.82 = 140,931.50/x
  3. Step 3: Cross multiply
    477,875.30x = 716,721.82 × 140,931.50
  4. Step 4: Simplify right side
    477,875.30x = 101,008,677,239.39
  5. Step 5: Solve for x
    x = 101,008,677,239.39/477,875.30
  6. Step 6: Final answer
    x = 211,370.37

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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.