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Finding the Fourth Proportional to 348,034.60, 522,051.90 and 288,988.20

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Solution

The fourth proportional to 348,034.60, 522,051.90 and 288,988.20 is: 433,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,034.60 : 522,051.90 = 288,988.20 : x
  2. Step 2: Convert to fraction form
    348,034.60/522,051.90 = 288,988.20/x
  3. Step 3: Cross multiply
    348,034.60x = 522,051.90 × 288,988.20
  4. Step 4: Simplify right side
    348,034.60x = 150,866,838,887.58
  5. Step 5: Solve for x
    x = 150,866,838,887.58/348,034.60
  6. Step 6: Final answer
    x = 433,482.30

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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.