Home / 320,276.61-442,025.64-184,307.76

Finding the Fourth Proportional to 320,276.61, 442,025.64 and 184,307.76

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Solution

The fourth proportional to 320,276.61, 442,025.64 and 184,307.76 is: 254,369.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,276.61 : 442,025.64 = 184,307.76 : x
  2. Step 2: Convert to fraction form
    320,276.61/442,025.64 = 184,307.76/x
  3. Step 3: Cross multiply
    320,276.61x = 442,025.64 × 184,307.76
  4. Step 4: Simplify right side
    320,276.61x = 81,468,755,570.97
  5. Step 5: Solve for x
    x = 81,468,755,570.97/320,276.61
  6. Step 6: Final answer
    x = 254,369.98

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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.