Home / 310,569.65-428,576.19-174,609.35

Finding the Fourth Proportional to 310,569.65, 428,576.19 and 174,609.35

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Solution

The fourth proportional to 310,569.65, 428,576.19 and 174,609.35 is: 240,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,569.65 : 428,576.19 = 174,609.35 : x
  2. Step 2: Convert to fraction form
    310,569.65/428,576.19 = 174,609.35/x
  3. Step 3: Cross multiply
    310,569.65x = 428,576.19 × 174,609.35
  4. Step 4: Simplify right side
    310,569.65x = 74,833,409,961.38
  5. Step 5: Solve for x
    x = 74,833,409,961.38/310,569.65
  6. Step 6: Final answer
    x = 240,955.32

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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.