Home / 540,328.12-810,514.04-203,333.28

Finding the Fourth Proportional to 540,328.12, 810,514.04 and 203,333.28

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Solution

The fourth proportional to 540,328.12, 810,514.04 and 203,333.28 is: 305,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,328.12 : 810,514.04 = 203,333.28 : x
  2. Step 2: Convert to fraction form
    540,328.12/810,514.04 = 203,333.28/x
  3. Step 3: Cross multiply
    540,328.12x = 810,514.04 × 203,333.28
  4. Step 4: Simplify right side
    540,328.12x = 164,804,478,239.25
  5. Step 5: Solve for x
    x = 164,804,478,239.25/540,328.12
  6. Step 6: Final answer
    x = 305,008.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.