Home / 415,173.06-573,045.71-270,340.35

Finding the Fourth Proportional to 415,173.06, 573,045.71 and 270,340.35

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Solution

The fourth proportional to 415,173.06, 573,045.71 and 270,340.35 is: 373,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,173.06 : 573,045.71 = 270,340.35 : x
  2. Step 2: Convert to fraction form
    415,173.06/573,045.71 = 270,340.35/x
  3. Step 3: Cross multiply
    415,173.06x = 573,045.71 × 270,340.35
  4. Step 4: Simplify right side
    415,173.06x = 154,917,377,530.16
  5. Step 5: Solve for x
    x = 154,917,377,530.16/415,173.06
  6. Step 6: Final answer
    x = 373,139.28

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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.