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Finding the Fourth Proportional to 291,656.28, 401,599.98 and 240,477.24

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Solution

The fourth proportional to 291,656.28, 401,599.98 and 240,477.24 is: 331,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,656.28 : 401,599.98 = 240,477.24 : x
  2. Step 2: Convert to fraction form
    291,656.28/401,599.98 = 240,477.24/x
  3. Step 3: Cross multiply
    291,656.28x = 401,599.98 × 240,477.24
  4. Step 4: Simplify right side
    291,656.28x = 96,575,654,774.46
  5. Step 5: Solve for x
    x = 96,575,654,774.46/291,656.28
  6. Step 6: Final answer
    x = 331,128.32

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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.