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Finding the Fourth Proportional to 299,000.92, 412,574.16 and 178,139.20

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Solution

The fourth proportional to 299,000.92, 412,574.16 and 178,139.20 is: 245,804.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,000.92 : 412,574.16 = 178,139.20 : x
  2. Step 2: Convert to fraction form
    299,000.92/412,574.16 = 178,139.20/x
  3. Step 3: Cross multiply
    299,000.92x = 412,574.16 × 178,139.20
  4. Step 4: Simplify right side
    299,000.92x = 73,495,630,803.07
  5. Step 5: Solve for x
    x = 73,495,630,803.07/299,000.92
  6. Step 6: Final answer
    x = 245,804.03

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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.