Home / 219,274.32-302,547.24-128,625.60

Finding the Fourth Proportional to 219,274.32, 302,547.24 and 128,625.60

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Solution

The fourth proportional to 219,274.32, 302,547.24 and 128,625.60 is: 177,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,274.32 : 302,547.24 = 128,625.60 : x
  2. Step 2: Convert to fraction form
    219,274.32/302,547.24 = 128,625.60/x
  3. Step 3: Cross multiply
    219,274.32x = 302,547.24 × 128,625.60
  4. Step 4: Simplify right side
    219,274.32x = 38,915,320,273.34
  5. Step 5: Solve for x
    x = 38,915,320,273.34/219,274.32
  6. Step 6: Final answer
    x = 177,473.22

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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.