Home / 370,023.60-554,792.40-145,248.60

Finding the Fourth Proportional to 370,023.60, 554,792.40 and 145,248.60

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Solution

The fourth proportional to 370,023.60, 554,792.40 and 145,248.60 is: 217,777.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,023.60 : 554,792.40 = 145,248.60 : x
  2. Step 2: Convert to fraction form
    370,023.60/554,792.40 = 145,248.60/x
  3. Step 3: Cross multiply
    370,023.60x = 554,792.40 × 145,248.60
  4. Step 4: Simplify right side
    370,023.60x = 80,582,819,390.64
  5. Step 5: Solve for x
    x = 80,582,819,390.64/370,023.60
  6. Step 6: Final answer
    x = 217,777.51

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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.