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Finding the Fourth Proportional to 610,762.34, 916,148.38 and 250,840.46

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Solution

The fourth proportional to 610,762.34, 916,148.38 and 250,840.46 is: 376,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,762.34 : 916,148.38 = 250,840.46 : x
  2. Step 2: Convert to fraction form
    610,762.34/916,148.38 = 250,840.46/x
  3. Step 3: Cross multiply
    610,762.34x = 916,148.38 × 250,840.46
  4. Step 4: Simplify right side
    610,762.34x = 229,807,081,067.46
  5. Step 5: Solve for x
    x = 229,807,081,067.46/610,762.34
  6. Step 6: Final answer
    x = 376,262.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.