Home / 276,109.22-380,875.03-165,699.63

Finding the Fourth Proportional to 276,109.22, 380,875.03 and 165,699.63

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Solution

The fourth proportional to 276,109.22, 380,875.03 and 165,699.63 is: 228,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,109.22 : 380,875.03 = 165,699.63 : x
  2. Step 2: Convert to fraction form
    276,109.22/380,875.03 = 165,699.63/x
  3. Step 3: Cross multiply
    276,109.22x = 380,875.03 × 165,699.63
  4. Step 4: Simplify right side
    276,109.22x = 63,110,851,547.24
  5. Step 5: Solve for x
    x = 63,110,851,547.24/276,109.22
  6. Step 6: Final answer
    x = 228,572.05

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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.