Home / 419,023.11-578,264.93-237,742.68

Finding the Fourth Proportional to 419,023.11, 578,264.93 and 237,742.68

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Solution

The fourth proportional to 419,023.11, 578,264.93 and 237,742.68 is: 328,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,023.11 : 578,264.93 = 237,742.68 : x
  2. Step 2: Convert to fraction form
    419,023.11/578,264.93 = 237,742.68/x
  3. Step 3: Cross multiply
    419,023.11x = 578,264.93 × 237,742.68
  4. Step 4: Simplify right side
    419,023.11x = 137,478,254,208.21
  5. Step 5: Solve for x
    x = 137,478,254,208.21/419,023.11
  6. Step 6: Final answer
    x = 328,092.30

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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.