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Finding the Fourth Proportional to 649,084.40, 973,165.80 and 249,570.80

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Solution

The fourth proportional to 649,084.40, 973,165.80 and 249,570.80 is: 374,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,084.40 : 973,165.80 = 249,570.80 : x
  2. Step 2: Convert to fraction form
    649,084.40/973,165.80 = 249,570.80/x
  3. Step 3: Cross multiply
    649,084.40x = 973,165.80 × 249,570.80
  4. Step 4: Simplify right side
    649,084.40x = 242,873,767,238.64
  5. Step 5: Solve for x
    x = 242,873,767,238.64/649,084.40
  6. Step 6: Final answer
    x = 374,179.02

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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.