Home / 312,303.18-430,977.89-169,063.19

Finding the Fourth Proportional to 312,303.18, 430,977.89 and 169,063.19

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Solution

The fourth proportional to 312,303.18, 430,977.89 and 169,063.19 is: 233,306.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,303.18 : 430,977.89 = 169,063.19 : x
  2. Step 2: Convert to fraction form
    312,303.18/430,977.89 = 169,063.19/x
  3. Step 3: Cross multiply
    312,303.18x = 430,977.89 × 169,063.19
  4. Step 4: Simplify right side
    312,303.18x = 72,862,494,747.98
  5. Step 5: Solve for x
    x = 72,862,494,747.98/312,303.18
  6. Step 6: Final answer
    x = 233,306.93

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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.