Home / 345,282.57-476,502.89-190,240.25

Finding the Fourth Proportional to 345,282.57, 476,502.89 and 190,240.25

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Solution

The fourth proportional to 345,282.57, 476,502.89 and 190,240.25 is: 262,538.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,282.57 : 476,502.89 = 190,240.25 : x
  2. Step 2: Convert to fraction form
    345,282.57/476,502.89 = 190,240.25/x
  3. Step 3: Cross multiply
    345,282.57x = 476,502.89 × 190,240.25
  4. Step 4: Simplify right side
    345,282.57x = 90,650,025,585.61
  5. Step 5: Solve for x
    x = 90,650,025,585.61/345,282.57
  6. Step 6: Final answer
    x = 262,538.67

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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.