Home / 400,518.37-552,853.61-230,820.13

Finding the Fourth Proportional to 400,518.37, 552,853.61 and 230,820.13

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Solution

The fourth proportional to 400,518.37, 552,853.61 and 230,820.13 is: 318,611.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,518.37 : 552,853.61 = 230,820.13 : x
  2. Step 2: Convert to fraction form
    400,518.37/552,853.61 = 230,820.13/x
  3. Step 3: Cross multiply
    400,518.37x = 552,853.61 × 230,820.13
  4. Step 4: Simplify right side
    400,518.37x = 127,609,742,131.17
  5. Step 5: Solve for x
    x = 127,609,742,131.17/400,518.37
  6. Step 6: Final answer
    x = 318,611.46

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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.