Home / 310,736.12-428,551.26-262,573.40

Finding the Fourth Proportional to 310,736.12, 428,551.26 and 262,573.40

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Solution

The fourth proportional to 310,736.12, 428,551.26 and 262,573.40 is: 362,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,736.12 : 428,551.26 = 262,573.40 : x
  2. Step 2: Convert to fraction form
    310,736.12/428,551.26 = 262,573.40/x
  3. Step 3: Cross multiply
    310,736.12x = 428,551.26 × 262,573.40
  4. Step 4: Simplify right side
    310,736.12x = 112,526,161,412.48
  5. Step 5: Solve for x
    x = 112,526,161,412.48/310,736.12
  6. Step 6: Final answer
    x = 362,127.72

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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.