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Finding the Fourth Proportional to 649,202.40, 973,342.80 and 249,688.80

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Solution

The fourth proportional to 649,202.40, 973,342.80 and 249,688.80 is: 374,355.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,202.40 : 973,342.80 = 249,688.80 : x
  2. Step 2: Convert to fraction form
    649,202.40/973,342.80 = 249,688.80/x
  3. Step 3: Cross multiply
    649,202.40x = 973,342.80 × 249,688.80
  4. Step 4: Simplify right side
    649,202.40x = 243,032,795,720.64
  5. Step 5: Solve for x
    x = 243,032,795,720.64/649,202.40
  6. Step 6: Final answer
    x = 374,355.97

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1.5x scale

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.