Home / 346,432.20-519,389.10-188,838.60

Finding the Fourth Proportional to 346,432.20, 519,389.10 and 188,838.60

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Solution

The fourth proportional to 346,432.20, 519,389.10 and 188,838.60 is: 283,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,432.20 : 519,389.10 = 188,838.60 : x
  2. Step 2: Convert to fraction form
    346,432.20/519,389.10 = 188,838.60/x
  3. Step 3: Cross multiply
    346,432.20x = 519,389.10 × 188,838.60
  4. Step 4: Simplify right side
    346,432.20x = 98,080,710,499.26
  5. Step 5: Solve for x
    x = 98,080,710,499.26/346,432.20
  6. Step 6: Final answer
    x = 283,116.61

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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.