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Finding the Fourth Proportional to 341,970.80, 512,341.80 and 292,818.80

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Solution

The fourth proportional to 341,970.80, 512,341.80 and 292,818.80 is: 438,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,970.80 : 512,341.80 = 292,818.80 : x
  2. Step 2: Convert to fraction form
    341,970.80/512,341.80 = 292,818.80/x
  3. Step 3: Cross multiply
    341,970.80x = 512,341.80 × 292,818.80
  4. Step 4: Simplify right side
    341,970.80x = 150,023,311,065.84
  5. Step 5: Solve for x
    x = 150,023,311,065.84/341,970.80
  6. Step 6: Final answer
    x = 438,702.11

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1.5x scale

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.