Home / 310,026.30-427,840.71-174,089.70

Finding the Fourth Proportional to 310,026.30, 427,840.71 and 174,089.70

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Solution

The fourth proportional to 310,026.30, 427,840.71 and 174,089.70 is: 240,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,026.30 : 427,840.71 = 174,089.70 : x
  2. Step 2: Convert to fraction form
    310,026.30/427,840.71 = 174,089.70/x
  3. Step 3: Cross multiply
    310,026.30x = 427,840.71 × 174,089.70
  4. Step 4: Simplify right side
    310,026.30x = 74,482,660,851.69
  5. Step 5: Solve for x
    x = 74,482,660,851.69/310,026.30
  6. Step 6: Final answer
    x = 240,246.27

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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.