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Finding the Fourth Proportional to 282,039.08, 423,087.80 and 95,065.16

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Solution

The fourth proportional to 282,039.08, 423,087.80 and 95,065.16 is: 142,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,039.08 : 423,087.80 = 95,065.16 : x
  2. Step 2: Convert to fraction form
    282,039.08/423,087.80 = 95,065.16/x
  3. Step 3: Cross multiply
    282,039.08x = 423,087.80 × 95,065.16
  4. Step 4: Simplify right side
    282,039.08x = 40,220,909,401.05
  5. Step 5: Solve for x
    x = 40,220,909,401.05/282,039.08
  6. Step 6: Final answer
    x = 142,607.58

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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.