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Finding the Fourth Proportional to 240,127.96, 360,212.40 and 71,637.40

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Solution

The fourth proportional to 240,127.96, 360,212.40 and 71,637.40 is: 107,462.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,127.96 : 360,212.40 = 71,637.40 : x
  2. Step 2: Convert to fraction form
    240,127.96/360,212.40 = 71,637.40/x
  3. Step 3: Cross multiply
    240,127.96x = 360,212.40 × 71,637.40
  4. Step 4: Simplify right side
    240,127.96x = 25,804,679,783.76
  5. Step 5: Solve for x
    x = 25,804,679,783.76/240,127.96
  6. Step 6: Final answer
    x = 107,462.20

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1.5x scale

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.