Home / 219,030.40-302,264.80-127,171.22

Finding the Fourth Proportional to 219,030.40, 302,264.80 and 127,171.22

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Solution

The fourth proportional to 219,030.40, 302,264.80 and 127,171.22 is: 175,497.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,030.40 : 302,264.80 = 127,171.22 : x
  2. Step 2: Convert to fraction form
    219,030.40/302,264.80 = 127,171.22/x
  3. Step 3: Cross multiply
    219,030.40x = 302,264.80 × 127,171.22
  4. Step 4: Simplify right side
    219,030.40x = 38,439,381,549.80
  5. Step 5: Solve for x
    x = 38,439,381,549.80/219,030.40
  6. Step 6: Final answer
    x = 175,497.93

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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.