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Finding the Fourth Proportional to 253,752.58, 350,174.67 and 139,030.30

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Solution

The fourth proportional to 253,752.58, 350,174.67 and 139,030.30 is: 191,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,752.58 : 350,174.67 = 139,030.30 : x
  2. Step 2: Convert to fraction form
    253,752.58/350,174.67 = 139,030.30/x
  3. Step 3: Cross multiply
    253,752.58x = 350,174.67 × 139,030.30
  4. Step 4: Simplify right side
    253,752.58x = 48,684,887,671.63
  5. Step 5: Solve for x
    x = 48,684,887,671.63/253,752.58
  6. Step 6: Final answer
    x = 191,859.68

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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.