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Finding the Fourth Proportional to 292,080.30, 437,148.45 and 211,890.30

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Solution

The fourth proportional to 292,080.30, 437,148.45 and 211,890.30 is: 317,130.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,080.30 : 437,148.45 = 211,890.30 : x
  2. Step 2: Convert to fraction form
    292,080.30/437,148.45 = 211,890.30/x
  3. Step 3: Cross multiply
    292,080.30x = 437,148.45 × 211,890.30
  4. Step 4: Simplify right side
    292,080.30x = 92,627,516,215.04
  5. Step 5: Solve for x
    x = 92,627,516,215.04/292,080.30
  6. Step 6: Final answer
    x = 317,130.31

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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.