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Finding the Fourth Proportional to 353,610.72, 488,200.80 and 243,417.51

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Solution

The fourth proportional to 353,610.72, 488,200.80 and 243,417.51 is: 336,066.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,610.72 : 488,200.80 = 243,417.51 : x
  2. Step 2: Convert to fraction form
    353,610.72/488,200.80 = 243,417.51/x
  3. Step 3: Cross multiply
    353,610.72x = 488,200.80 × 243,417.51
  4. Step 4: Simplify right side
    353,610.72x = 118,836,623,116.01
  5. Step 5: Solve for x
    x = 118,836,623,116.01/353,610.72
  6. Step 6: Final answer
    x = 336,066.23

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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.