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Finding the Fourth Proportional to 297,340.32, 410,329.47 and 168,276.45

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Solution

The fourth proportional to 297,340.32, 410,329.47 and 168,276.45 is: 232,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,340.32 : 410,329.47 = 168,276.45 : x
  2. Step 2: Convert to fraction form
    297,340.32/410,329.47 = 168,276.45/x
  3. Step 3: Cross multiply
    297,340.32x = 410,329.47 × 168,276.45
  4. Step 4: Simplify right side
    297,340.32x = 69,048,786,541.98
  5. Step 5: Solve for x
    x = 69,048,786,541.98/297,340.32
  6. Step 6: Final answer
    x = 232,221.40

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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.