Home / 371,327.26-512,430.38-201,560.16

Finding the Fourth Proportional to 371,327.26, 512,430.38 and 201,560.16

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Solution

The fourth proportional to 371,327.26, 512,430.38 and 201,560.16 is: 278,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,327.26 : 512,430.38 = 201,560.16 : x
  2. Step 2: Convert to fraction form
    371,327.26/512,430.38 = 201,560.16/x
  3. Step 3: Cross multiply
    371,327.26x = 512,430.38 × 201,560.16
  4. Step 4: Simplify right side
    371,327.26x = 103,285,549,381.66
  5. Step 5: Solve for x
    x = 103,285,549,381.66/371,327.26
  6. Step 6: Final answer
    x = 278,152.35

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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.