Home / 218,457.52-301,410.48-140,900.35

Finding the Fourth Proportional to 218,457.52, 301,410.48 and 140,900.35

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Solution

The fourth proportional to 218,457.52, 301,410.48 and 140,900.35 is: 194,403.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,457.52 : 301,410.48 = 140,900.35 : x
  2. Step 2: Convert to fraction form
    218,457.52/301,410.48 = 140,900.35/x
  3. Step 3: Cross multiply
    218,457.52x = 301,410.48 × 140,900.35
  4. Step 4: Simplify right side
    218,457.52x = 42,468,842,125.67
  5. Step 5: Solve for x
    x = 42,468,842,125.67/218,457.52
  6. Step 6: Final answer
    x = 194,403.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.