Home / 245,006.32-338,140.02-149,492.74

Finding the Fourth Proportional to 245,006.32, 338,140.02 and 149,492.74

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Solution

The fourth proportional to 245,006.32, 338,140.02 and 149,492.74 is: 206,319.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,006.32 : 338,140.02 = 149,492.74 : x
  2. Step 2: Convert to fraction form
    245,006.32/338,140.02 = 149,492.74/x
  3. Step 3: Cross multiply
    245,006.32x = 338,140.02 × 149,492.74
  4. Step 4: Simplify right side
    245,006.32x = 50,549,478,093.45
  5. Step 5: Solve for x
    x = 50,549,478,093.45/245,006.32
  6. Step 6: Final answer
    x = 206,319.08

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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.