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Finding the Fourth Proportional to 272,169.42, 375,572.52 and 151,303.34

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Solution

The fourth proportional to 272,169.42, 375,572.52 and 151,303.34 is: 208,786.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,169.42 : 375,572.52 = 151,303.34 : x
  2. Step 2: Convert to fraction form
    272,169.42/375,572.52 = 151,303.34/x
  3. Step 3: Cross multiply
    272,169.42x = 375,572.52 × 151,303.34
  4. Step 4: Simplify right side
    272,169.42x = 56,825,374,810.35
  5. Step 5: Solve for x
    x = 56,825,374,810.35/272,169.42
  6. Step 6: Final answer
    x = 208,786.77

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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.