Home / 228,622.47-342,933.75-95,430.07

Finding the Fourth Proportional to 228,622.47, 342,933.75 and 95,430.07

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Solution

The fourth proportional to 228,622.47, 342,933.75 and 95,430.07 is: 143,145.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,622.47 : 342,933.75 = 95,430.07 : x
  2. Step 2: Convert to fraction form
    228,622.47/342,933.75 = 95,430.07/x
  3. Step 3: Cross multiply
    228,622.47x = 342,933.75 × 95,430.07
  4. Step 4: Simplify right side
    228,622.47x = 32,726,191,719.38
  5. Step 5: Solve for x
    x = 32,726,191,719.38/228,622.47
  6. Step 6: Final answer
    x = 143,145.12

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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.