Home / 400,062.08-552,085.64-218,774.16

Finding the Fourth Proportional to 400,062.08, 552,085.64 and 218,774.16

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Solution

The fourth proportional to 400,062.08, 552,085.64 and 218,774.16 is: 301,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,062.08 : 552,085.64 = 218,774.16 : x
  2. Step 2: Convert to fraction form
    400,062.08/552,085.64 = 218,774.16/x
  3. Step 3: Cross multiply
    400,062.08x = 552,085.64 × 218,774.16
  4. Step 4: Simplify right side
    400,062.08x = 120,782,072,139.06
  5. Step 5: Solve for x
    x = 120,782,072,139.06/400,062.08
  6. Step 6: Final answer
    x = 301,908.32

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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.