Home / 628,470.61-942,707.85-155,156.02

Finding the Fourth Proportional to 628,470.61, 942,707.85 and 155,156.02

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Solution

The fourth proportional to 628,470.61, 942,707.85 and 155,156.02 is: 232,734.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,470.61 : 942,707.85 = 155,156.02 : x
  2. Step 2: Convert to fraction form
    628,470.61/942,707.85 = 155,156.02/x
  3. Step 3: Cross multiply
    628,470.61x = 942,707.85 × 155,156.02
  4. Step 4: Simplify right side
    628,470.61x = 146,266,795,671.99
  5. Step 5: Solve for x
    x = 146,266,795,671.99/628,470.61
  6. Step 6: Final answer
    x = 232,734.50

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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.