Home / 242,371.20-363,556.80-64,905.60

Finding the Fourth Proportional to 242,371.20, 363,556.80 and 64,905.60

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Solution

The fourth proportional to 242,371.20, 363,556.80 and 64,905.60 is: 97,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,371.20 : 363,556.80 = 64,905.60 : x
  2. Step 2: Convert to fraction form
    242,371.20/363,556.80 = 64,905.60/x
  3. Step 3: Cross multiply
    242,371.20x = 363,556.80 × 64,905.60
  4. Step 4: Simplify right side
    242,371.20x = 23,596,872,238.08
  5. Step 5: Solve for x
    x = 23,596,872,238.08/242,371.20
  6. Step 6: Final answer
    x = 97,358.40

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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.