Home / 400,741.59-553,074.57-230,976.93

Finding the Fourth Proportional to 400,741.59, 553,074.57 and 230,976.93

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Solution

The fourth proportional to 400,741.59, 553,074.57 and 230,976.93 is: 318,777.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,741.59 : 553,074.57 = 230,976.93 : x
  2. Step 2: Convert to fraction form
    400,741.59/553,074.57 = 230,976.93/x
  3. Step 3: Cross multiply
    400,741.59x = 553,074.57 × 230,976.93
  4. Step 4: Simplify right side
    400,741.59x = 127,747,466,239.67
  5. Step 5: Solve for x
    x = 127,747,466,239.67/400,741.59
  6. Step 6: Final answer
    x = 318,777.66

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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.