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Finding the Fourth Proportional to 292,712.42, 436,595.37 and 283,852.64

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Solution

The fourth proportional to 292,712.42, 436,595.37 and 283,852.64 is: 423,380.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,712.42 : 436,595.37 = 283,852.64 : x
  2. Step 2: Convert to fraction form
    292,712.42/436,595.37 = 283,852.64/x
  3. Step 3: Cross multiply
    292,712.42x = 436,595.37 × 283,852.64
  4. Step 4: Simplify right side
    292,712.42x = 123,928,746,203.30
  5. Step 5: Solve for x
    x = 123,928,746,203.30/292,712.42
  6. Step 6: Final answer
    x = 423,380.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.