Home / 245,637.60-368,456.40-242,527.20

Finding the Fourth Proportional to 245,637.60, 368,456.40 and 242,527.20

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Solution

The fourth proportional to 245,637.60, 368,456.40 and 242,527.20 is: 363,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,637.60 : 368,456.40 = 242,527.20 : x
  2. Step 2: Convert to fraction form
    245,637.60/368,456.40 = 242,527.20/x
  3. Step 3: Cross multiply
    245,637.60x = 368,456.40 × 242,527.20
  4. Step 4: Simplify right side
    245,637.60x = 89,360,699,014.08
  5. Step 5: Solve for x
    x = 89,360,699,014.08/245,637.60
  6. Step 6: Final answer
    x = 363,790.80

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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.