Home / 320,967.93-442,934.95-185,000.77

Finding the Fourth Proportional to 320,967.93, 442,934.95 and 185,000.77

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Solution

The fourth proportional to 320,967.93, 442,934.95 and 185,000.77 is: 255,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,967.93 : 442,934.95 = 185,000.77 : x
  2. Step 2: Convert to fraction form
    320,967.93/442,934.95 = 185,000.77/x
  3. Step 3: Cross multiply
    320,967.93x = 442,934.95 × 185,000.77
  4. Step 4: Simplify right side
    320,967.93x = 81,943,306,809.91
  5. Step 5: Solve for x
    x = 81,943,306,809.91/320,967.93
  6. Step 6: Final answer
    x = 255,300.61

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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.