Home / 242,278.92-363,467.04-84,465

Finding the Fourth Proportional to 242,278.92, 363,467.04 and 84,465

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Solution

The fourth proportional to 242,278.92, 363,467.04 and 84,465 is: 126,714.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,278.92 : 363,467.04 = 84,465 : x
  2. Step 2: Convert to fraction form
    242,278.92/363,467.04 = 84,465/x
  3. Step 3: Cross multiply
    242,278.92x = 363,467.04 × 84,465
  4. Step 4: Simplify right side
    242,278.92x = 30,700,243,533.60
  5. Step 5: Solve for x
    x = 30,700,243,533.60/242,278.92
  6. Step 6: Final answer
    x = 126,714.46

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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.