Home / 314,525.01-471,077.75-145,690.64

Finding the Fourth Proportional to 314,525.01, 471,077.75 and 145,690.64

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Solution

The fourth proportional to 314,525.01, 471,077.75 and 145,690.64 is: 218,207.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,525.01 : 471,077.75 = 145,690.64 : x
  2. Step 2: Convert to fraction form
    314,525.01/471,077.75 = 145,690.64/x
  3. Step 3: Cross multiply
    314,525.01x = 471,077.75 × 145,690.64
  4. Step 4: Simplify right side
    314,525.01x = 68,631,615,803.42
  5. Step 5: Solve for x
    x = 68,631,615,803.42/314,525.01
  6. Step 6: Final answer
    x = 218,207.18

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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.