Home / 310,848.48-428,986.66-183,521.34

Finding the Fourth Proportional to 310,848.48, 428,986.66 and 183,521.34

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Solution

The fourth proportional to 310,848.48, 428,986.66 and 183,521.34 is: 253,268.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,848.48 : 428,986.66 = 183,521.34 : x
  2. Step 2: Convert to fraction form
    310,848.48/428,986.66 = 183,521.34/x
  3. Step 3: Cross multiply
    310,848.48x = 428,986.66 × 183,521.34
  4. Step 4: Simplify right side
    310,848.48x = 78,728,206,685.32
  5. Step 5: Solve for x
    x = 78,728,206,685.32/310,848.48
  6. Step 6: Final answer
    x = 253,268.75

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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.