Home / 310,007.37-427,780.62-174,010.15

Finding the Fourth Proportional to 310,007.37, 427,780.62 and 174,010.15

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Solution

The fourth proportional to 310,007.37, 427,780.62 and 174,010.15 is: 240,117.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,007.37 : 427,780.62 = 174,010.15 : x
  2. Step 2: Convert to fraction form
    310,007.37/427,780.62 = 174,010.15/x
  3. Step 3: Cross multiply
    310,007.37x = 427,780.62 × 174,010.15
  4. Step 4: Simplify right side
    310,007.37x = 74,438,168,783.84
  5. Step 5: Solve for x
    x = 74,438,168,783.84/310,007.37
  6. Step 6: Final answer
    x = 240,117.42

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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.