Home / 253,623.31-380,509.04-113,349.13

Finding the Fourth Proportional to 253,623.31, 380,509.04 and 113,349.13

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Solution

The fourth proportional to 253,623.31, 380,509.04 and 113,349.13 is: 170,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,623.31 : 380,509.04 = 113,349.13 : x
  2. Step 2: Convert to fraction form
    253,623.31/380,509.04 = 113,349.13/x
  3. Step 3: Cross multiply
    253,623.31x = 380,509.04 × 113,349.13
  4. Step 4: Simplify right side
    253,623.31x = 43,130,368,641.14
  5. Step 5: Solve for x
    x = 43,130,368,641.14/253,623.31
  6. Step 6: Final answer
    x = 170,056.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.