Home / 312,667.02-469,088.01-102,452.58

Finding the Fourth Proportional to 312,667.02, 469,088.01 and 102,452.58

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Solution

The fourth proportional to 312,667.02, 469,088.01 and 102,452.58 is: 153,707.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,667.02 : 469,088.01 = 102,452.58 : x
  2. Step 2: Convert to fraction form
    312,667.02/469,088.01 = 102,452.58/x
  3. Step 3: Cross multiply
    312,667.02x = 469,088.01 × 102,452.58
  4. Step 4: Simplify right side
    312,667.02x = 48,059,276,871.57
  5. Step 5: Solve for x
    x = 48,059,276,871.57/312,667.02
  6. Step 6: Final answer
    x = 153,707.53

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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.