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Finding the Fourth Proportional to 333,272.80, 460,801.20 and 291,282.40

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Solution

The fourth proportional to 333,272.80, 460,801.20 and 291,282.40 is: 402,742.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,272.80 : 460,801.20 = 291,282.40 : x
  2. Step 2: Convert to fraction form
    333,272.80/460,801.20 = 291,282.40/x
  3. Step 3: Cross multiply
    333,272.80x = 460,801.20 × 291,282.40
  4. Step 4: Simplify right side
    333,272.80x = 134,223,279,458.88
  5. Step 5: Solve for x
    x = 134,223,279,458.88/333,272.80
  6. Step 6: Final answer
    x = 402,742.98

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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.