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Finding the Fourth Proportional to 328,962.80, 493,492.80 and 104,344.40

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Solution

The fourth proportional to 328,962.80, 493,492.80 and 104,344.40 is: 156,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,962.80 : 493,492.80 = 104,344.40 : x
  2. Step 2: Convert to fraction form
    328,962.80/493,492.80 = 104,344.40/x
  3. Step 3: Cross multiply
    328,962.80x = 493,492.80 × 104,344.40
  4. Step 4: Simplify right side
    328,962.80x = 51,493,210,120.32
  5. Step 5: Solve for x
    x = 51,493,210,120.32/328,962.80
  6. Step 6: Final answer
    x = 156,532.02

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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.