Home / 254,125.81-380,707.57-169,631.20

Finding the Fourth Proportional to 254,125.81, 380,707.57 and 169,631.20

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Solution

The fourth proportional to 254,125.81, 380,707.57 and 169,631.20 is: 254,125.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,125.81 : 380,707.57 = 169,631.20 : x
  2. Step 2: Convert to fraction form
    254,125.81/380,707.57 = 169,631.20/x
  3. Step 3: Cross multiply
    254,125.81x = 380,707.57 × 169,631.20
  4. Step 4: Simplify right side
    254,125.81x = 64,579,881,948.18
  5. Step 5: Solve for x
    x = 64,579,881,948.18/254,125.81
  6. Step 6: Final answer
    x = 254,125.63

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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.