Home / 217,726.47-300,409.92-127,030.68

Finding the Fourth Proportional to 217,726.47, 300,409.92 and 127,030.68

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Solution

The fourth proportional to 217,726.47, 300,409.92 and 127,030.68 is: 175,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,726.47 : 300,409.92 = 127,030.68 : x
  2. Step 2: Convert to fraction form
    217,726.47/300,409.92 = 127,030.68/x
  3. Step 3: Cross multiply
    217,726.47x = 300,409.92 × 127,030.68
  4. Step 4: Simplify right side
    217,726.47x = 38,161,276,416.35
  5. Step 5: Solve for x
    x = 38,161,276,416.35/217,726.47
  6. Step 6: Final answer
    x = 175,271.64

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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.