Home / 248,412.40-342,809.02-135,235.12

Finding the Fourth Proportional to 248,412.40, 342,809.02 and 135,235.12

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Solution

The fourth proportional to 248,412.40, 342,809.02 and 135,235.12 is: 186,624.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,412.40 : 342,809.02 = 135,235.12 : x
  2. Step 2: Convert to fraction form
    248,412.40/342,809.02 = 135,235.12/x
  3. Step 3: Cross multiply
    248,412.40x = 342,809.02 × 135,235.12
  4. Step 4: Simplify right side
    248,412.40x = 46,359,818,956.78
  5. Step 5: Solve for x
    x = 46,359,818,956.78/248,412.40
  6. Step 6: Final answer
    x = 186,624.42

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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.