Home / 542,477.03-813,749.37-143,118.18

Finding the Fourth Proportional to 542,477.03, 813,749.37 and 143,118.18

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Solution

The fourth proportional to 542,477.03, 813,749.37 and 143,118.18 is: 214,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,477.03 : 813,749.37 = 143,118.18 : x
  2. Step 2: Convert to fraction form
    542,477.03/813,749.37 = 143,118.18/x
  3. Step 3: Cross multiply
    542,477.03x = 813,749.37 × 143,118.18
  4. Step 4: Simplify right side
    542,477.03x = 116,462,328,094.96
  5. Step 5: Solve for x
    x = 116,462,328,094.96/542,477.03
  6. Step 6: Final answer
    x = 214,686.19

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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.