Home / 370,102.39-510,741.53-208,957.75

Finding the Fourth Proportional to 370,102.39, 510,741.53 and 208,957.75

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Solution

The fourth proportional to 370,102.39, 510,741.53 and 208,957.75 is: 288,361.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,102.39 : 510,741.53 = 208,957.75 : x
  2. Step 2: Convert to fraction form
    370,102.39/510,741.53 = 208,957.75/x
  3. Step 3: Cross multiply
    370,102.39x = 510,741.53 × 208,957.75
  4. Step 4: Simplify right side
    370,102.39x = 106,723,400,940.36
  5. Step 5: Solve for x
    x = 106,723,400,940.36/370,102.39
  6. Step 6: Final answer
    x = 288,361.83

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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.