Home / 379,740.12-569,493.52-180,001.40

Finding the Fourth Proportional to 379,740.12, 569,493.52 and 180,001.40

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Solution

The fourth proportional to 379,740.12, 569,493.52 and 180,001.40 is: 269,946.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,740.12 : 569,493.52 = 180,001.40 : x
  2. Step 2: Convert to fraction form
    379,740.12/569,493.52 = 180,001.40/x
  3. Step 3: Cross multiply
    379,740.12x = 569,493.52 × 180,001.40
  4. Step 4: Simplify right side
    379,740.12x = 102,509,630,890.93
  5. Step 5: Solve for x
    x = 102,509,630,890.93/379,740.12
  6. Step 6: Final answer
    x = 269,946.80

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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.