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Finding the Fourth Proportional to 397,114.93, 548,018.44 and 218,266.93

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Solution

The fourth proportional to 397,114.93, 548,018.44 and 218,266.93 is: 301,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,114.93 : 548,018.44 = 218,266.93 : x
  2. Step 2: Convert to fraction form
    397,114.93/548,018.44 = 218,266.93/x
  3. Step 3: Cross multiply
    397,114.93x = 548,018.44 × 218,266.93
  4. Step 4: Simplify right side
    397,114.93x = 119,614,302,482.19
  5. Step 5: Solve for x
    x = 119,614,302,482.19/397,114.93
  6. Step 6: Final answer
    x = 301,208.27

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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.