Home / 326,271.12-450,268.98-190,307.76

Finding the Fourth Proportional to 326,271.12, 450,268.98 and 190,307.76

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Solution

The fourth proportional to 326,271.12, 450,268.98 and 190,307.76 is: 262,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,271.12 : 450,268.98 = 190,307.76 : x
  2. Step 2: Convert to fraction form
    326,271.12/450,268.98 = 190,307.76/x
  3. Step 3: Cross multiply
    326,271.12x = 450,268.98 × 190,307.76
  4. Step 4: Simplify right side
    326,271.12x = 85,689,680,981.28
  5. Step 5: Solve for x
    x = 85,689,680,981.28/326,271.12
  6. Step 6: Final answer
    x = 262,633.36

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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.