Home / 266,880.92-400,322.07-98,328.21

Finding the Fourth Proportional to 266,880.92, 400,322.07 and 98,328.21

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Solution

The fourth proportional to 266,880.92, 400,322.07 and 98,328.21 is: 147,492.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,880.92 : 400,322.07 = 98,328.21 : x
  2. Step 2: Convert to fraction form
    266,880.92/400,322.07 = 98,328.21/x
  3. Step 3: Cross multiply
    266,880.92x = 400,322.07 × 98,328.21
  4. Step 4: Simplify right side
    266,880.92x = 39,362,952,566.59
  5. Step 5: Solve for x
    x = 39,362,952,566.59/266,880.92
  6. Step 6: Final answer
    x = 147,492.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.