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Finding the Fourth Proportional to 442,188.58, 610,236.57 and 251,234.32

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Solution

The fourth proportional to 442,188.58, 610,236.57 and 251,234.32 is: 346,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,188.58 : 610,236.57 = 251,234.32 : x
  2. Step 2: Convert to fraction form
    442,188.58/610,236.57 = 251,234.32/x
  3. Step 3: Cross multiply
    442,188.58x = 610,236.57 × 251,234.32
  4. Step 4: Simplify right side
    442,188.58x = 153,312,369,703.08
  5. Step 5: Solve for x
    x = 153,312,369,703.08/442,188.58
  6. Step 6: Final answer
    x = 346,712.64

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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.