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Finding the Fourth Proportional to 292,292.10, 438,438.15 and 222,308.10

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Solution

The fourth proportional to 292,292.10, 438,438.15 and 222,308.10 is: 333,462.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,292.10 : 438,438.15 = 222,308.10 : x
  2. Step 2: Convert to fraction form
    292,292.10/438,438.15 = 222,308.10/x
  3. Step 3: Cross multiply
    292,292.10x = 438,438.15 × 222,308.10
  4. Step 4: Simplify right side
    292,292.10x = 97,468,352,094.02
  5. Step 5: Solve for x
    x = 97,468,352,094.02/292,292.10
  6. Step 6: Final answer
    x = 333,462.15

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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.