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Finding the Fourth Proportional to 452,042.32, 623,826.32 and 248,112.32

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Solution

The fourth proportional to 452,042.32, 623,826.32 and 248,112.32 is: 342,399.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,042.32 : 623,826.32 = 248,112.32 : x
  2. Step 2: Convert to fraction form
    452,042.32/623,826.32 = 248,112.32/x
  3. Step 3: Cross multiply
    452,042.32x = 623,826.32 × 248,112.32
  4. Step 4: Simplify right side
    452,042.32x = 154,778,995,532.26
  5. Step 5: Solve for x
    x = 154,778,995,532.26/452,042.32
  6. Step 6: Final answer
    x = 342,399.35

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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.