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Finding the Fourth Proportional to 431,495.93, 595,393.26 and 250,133.57

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Solution

The fourth proportional to 431,495.93, 595,393.26 and 250,133.57 is: 345,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,495.93 : 595,393.26 = 250,133.57 : x
  2. Step 2: Convert to fraction form
    431,495.93/595,393.26 = 250,133.57/x
  3. Step 3: Cross multiply
    431,495.93x = 595,393.26 × 250,133.57
  4. Step 4: Simplify right side
    431,495.93x = 148,927,841,677.74
  5. Step 5: Solve for x
    x = 148,927,841,677.74/431,495.93
  6. Step 6: Final answer
    x = 345,143.10

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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.