Home / 402,501.07-555,464.85-236,899.02

Finding the Fourth Proportional to 402,501.07, 555,464.85 and 236,899.02

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Solution

The fourth proportional to 402,501.07, 555,464.85 and 236,899.02 is: 326,928.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,501.07 : 555,464.85 = 236,899.02 : x
  2. Step 2: Convert to fraction form
    402,501.07/555,464.85 = 236,899.02/x
  3. Step 3: Cross multiply
    402,501.07x = 555,464.85 × 236,899.02
  4. Step 4: Simplify right side
    402,501.07x = 131,589,078,609.45
  5. Step 5: Solve for x
    x = 131,589,078,609.45/402,501.07
  6. Step 6: Final answer
    x = 326,928.52

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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.