Home / 218,350.08-301,328.64-133,513.92

Finding the Fourth Proportional to 218,350.08, 301,328.64 and 133,513.92

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Solution

The fourth proportional to 218,350.08, 301,328.64 and 133,513.92 is: 184,252.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,350.08 : 301,328.64 = 133,513.92 : x
  2. Step 2: Convert to fraction form
    218,350.08/301,328.64 = 133,513.92/x
  3. Step 3: Cross multiply
    218,350.08x = 301,328.64 × 133,513.92
  4. Step 4: Simplify right side
    218,350.08x = 40,231,567,934.67
  5. Step 5: Solve for x
    x = 40,231,567,934.67/218,350.08
  6. Step 6: Final answer
    x = 184,252.59

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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.