Home / 428,848.50-591,881.78-237,923.40

Finding the Fourth Proportional to 428,848.50, 591,881.78 and 237,923.40

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Solution

The fourth proportional to 428,848.50, 591,881.78 and 237,923.40 is: 328,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,848.50 : 591,881.78 = 237,923.40 : x
  2. Step 2: Convert to fraction form
    428,848.50/591,881.78 = 237,923.40/x
  3. Step 3: Cross multiply
    428,848.50x = 591,881.78 × 237,923.40
  4. Step 4: Simplify right side
    428,848.50x = 140,822,525,495.65
  5. Step 5: Solve for x
    x = 140,822,525,495.65/428,848.50
  6. Step 6: Final answer
    x = 328,373.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.