Home / 348,210.34-522,432.35-134,985.21

Finding the Fourth Proportional to 348,210.34, 522,432.35 and 134,985.21

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Solution

The fourth proportional to 348,210.34, 522,432.35 and 134,985.21 is: 202,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,210.34 : 522,432.35 = 134,985.21 : x
  2. Step 2: Convert to fraction form
    348,210.34/522,432.35 = 134,985.21/x
  3. Step 3: Cross multiply
    348,210.34x = 522,432.35 × 134,985.21
  4. Step 4: Simplify right side
    348,210.34x = 70,520,639,817.03
  5. Step 5: Solve for x
    x = 70,520,639,817.03/348,210.34
  6. Step 6: Final answer
    x = 202,523.10

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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.