Home / 314,723.70-472,085.55-146,243.70

Finding the Fourth Proportional to 314,723.70, 472,085.55 and 146,243.70

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Solution

The fourth proportional to 314,723.70, 472,085.55 and 146,243.70 is: 219,365.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,723.70 : 472,085.55 = 146,243.70 : x
  2. Step 2: Convert to fraction form
    314,723.70/472,085.55 = 146,243.70/x
  3. Step 3: Cross multiply
    314,723.70x = 472,085.55 × 146,243.70
  4. Step 4: Simplify right side
    314,723.70x = 69,039,537,548.54
  5. Step 5: Solve for x
    x = 69,039,537,548.54/314,723.70
  6. Step 6: Final answer
    x = 219,365.55

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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.