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Finding the Fourth Proportional to 370,154.66, 555,460.50 and 145,475.60

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Solution

The fourth proportional to 370,154.66, 555,460.50 and 145,475.60 is: 218,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,154.66 : 555,460.50 = 145,475.60 : x
  2. Step 2: Convert to fraction form
    370,154.66/555,460.50 = 145,475.60/x
  3. Step 3: Cross multiply
    370,154.66x = 555,460.50 × 145,475.60
  4. Step 4: Simplify right side
    370,154.66x = 80,805,949,513.80
  5. Step 5: Solve for x
    x = 80,805,949,513.80/370,154.66
  6. Step 6: Final answer
    x = 218,303.21

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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.