Home / 402,228.30-602,958.45-149,441.10

Finding the Fourth Proportional to 402,228.30, 602,958.45 and 149,441.10

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Solution

The fourth proportional to 402,228.30, 602,958.45 and 149,441.10 is: 224,018.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,228.30 : 602,958.45 = 149,441.10 : x
  2. Step 2: Convert to fraction form
    402,228.30/602,958.45 = 149,441.10/x
  3. Step 3: Cross multiply
    402,228.30x = 602,958.45 × 149,441.10
  4. Step 4: Simplify right side
    402,228.30x = 90,106,774,022.30
  5. Step 5: Solve for x
    x = 90,106,774,022.30/402,228.30
  6. Step 6: Final answer
    x = 224,018.98

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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.