Home / 486,829.02-730,312.65-149,897.67

Finding the Fourth Proportional to 486,829.02, 730,312.65 and 149,897.67

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Solution

The fourth proportional to 486,829.02, 730,312.65 and 149,897.67 is: 224,867.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,829.02 : 730,312.65 = 149,897.67 : x
  2. Step 2: Convert to fraction form
    486,829.02/730,312.65 = 149,897.67/x
  3. Step 3: Cross multiply
    486,829.02x = 730,312.65 × 149,897.67
  4. Step 4: Simplify right side
    486,829.02x = 109,472,164,606.53
  5. Step 5: Solve for x
    x = 109,472,164,606.53/486,829.02
  6. Step 6: Final answer
    x = 224,867.79

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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.