Home / 379,741.12-569,495.02-180,002.40

Finding the Fourth Proportional to 379,741.12, 569,495.02 and 180,002.40

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Solution

The fourth proportional to 379,741.12, 569,495.02 and 180,002.40 is: 269,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,741.12 : 569,495.02 = 180,002.40 : x
  2. Step 2: Convert to fraction form
    379,741.12/569,495.02 = 180,002.40/x
  3. Step 3: Cross multiply
    379,741.12x = 569,495.02 × 180,002.40
  4. Step 4: Simplify right side
    379,741.12x = 102,510,470,388.05
  5. Step 5: Solve for x
    x = 102,510,470,388.05/379,741.12
  6. Step 6: Final answer
    x = 269,948.30

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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.