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Finding the Fourth Proportional to 260,357.95, 359,277.05 and 145,616.72

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Solution

The fourth proportional to 260,357.95, 359,277.05 and 145,616.72 is: 200,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,357.95 : 359,277.05 = 145,616.72 : x
  2. Step 2: Convert to fraction form
    260,357.95/359,277.05 = 145,616.72/x
  3. Step 3: Cross multiply
    260,357.95x = 359,277.05 × 145,616.72
  4. Step 4: Simplify right side
    260,357.95x = 52,316,746,854.51
  5. Step 5: Solve for x
    x = 52,316,746,854.51/260,357.95
  6. Step 6: Final answer
    x = 200,941.62

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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.