Home / 495,299.48-742,962.54-140,276.84

Finding the Fourth Proportional to 495,299.48, 742,962.54 and 140,276.84

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Solution

The fourth proportional to 495,299.48, 742,962.54 and 140,276.84 is: 210,419.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,299.48 : 742,962.54 = 140,276.84 : x
  2. Step 2: Convert to fraction form
    495,299.48/742,962.54 = 140,276.84/x
  3. Step 3: Cross multiply
    495,299.48x = 742,962.54 × 140,276.84
  4. Step 4: Simplify right side
    495,299.48x = 104,220,437,349.57
  5. Step 5: Solve for x
    x = 104,220,437,349.57/495,299.48
  6. Step 6: Final answer
    x = 210,419.03

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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.