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Finding the Fourth Proportional to 650,102.40, 975,931.20 and 366,019.20

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Solution

The fourth proportional to 650,102.40, 975,931.20 and 366,019.20 is: 549,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,102.40 : 975,931.20 = 366,019.20 : x
  2. Step 2: Convert to fraction form
    650,102.40/975,931.20 = 366,019.20/x
  3. Step 3: Cross multiply
    650,102.40x = 975,931.20 × 366,019.20
  4. Step 4: Simplify right side
    650,102.40x = 357,209,557,079.04
  5. Step 5: Solve for x
    x = 357,209,557,079.04/650,102.40
  6. Step 6: Final answer
    x = 549,466.60

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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.