Home / 423,178.02-634,876.38-157,014.45

Finding the Fourth Proportional to 423,178.02, 634,876.38 and 157,014.45

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Solution

The fourth proportional to 423,178.02, 634,876.38 and 157,014.45 is: 235,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,178.02 : 634,876.38 = 157,014.45 : x
  2. Step 2: Convert to fraction form
    423,178.02/634,876.38 = 157,014.45/x
  3. Step 3: Cross multiply
    423,178.02x = 634,876.38 × 157,014.45
  4. Step 4: Simplify right side
    423,178.02x = 99,684,765,623.69
  5. Step 5: Solve for x
    x = 99,684,765,623.69/423,178.02
  6. Step 6: Final answer
    x = 235,562.25

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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.