Home / 313,699.10-432,905.19-170,460.86

Finding the Fourth Proportional to 313,699.10, 432,905.19 and 170,460.86

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Solution

The fourth proportional to 313,699.10, 432,905.19 and 170,460.86 is: 235,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,699.10 : 432,905.19 = 170,460.86 : x
  2. Step 2: Convert to fraction form
    313,699.10/432,905.19 = 170,460.86/x
  3. Step 3: Cross multiply
    313,699.10x = 432,905.19 × 170,460.86
  4. Step 4: Simplify right side
    313,699.10x = 73,793,390,985.86
  5. Step 5: Solve for x
    x = 73,793,390,985.86/313,699.10
  6. Step 6: Final answer
    x = 235,236.22

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1.5x scale

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.