Home / 272,547.82-376,112.22-151,689.07

Finding the Fourth Proportional to 272,547.82, 376,112.22 and 151,689.07

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Solution

The fourth proportional to 272,547.82, 376,112.22 and 151,689.07 is: 209,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,547.82 : 376,112.22 = 151,689.07 : x
  2. Step 2: Convert to fraction form
    272,547.82/376,112.22 = 151,689.07/x
  3. Step 3: Cross multiply
    272,547.82x = 376,112.22 × 151,689.07
  4. Step 4: Simplify right side
    272,547.82x = 57,052,112,867.44
  5. Step 5: Solve for x
    x = 57,052,112,867.44/272,547.82
  6. Step 6: Final answer
    x = 209,328.82

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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.