Home / 352,323.12-528,482.48-86,085.04

Finding the Fourth Proportional to 352,323.12, 528,482.48 and 86,085.04

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Solution

The fourth proportional to 352,323.12, 528,482.48 and 86,085.04 is: 129,127.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,323.12 : 528,482.48 = 86,085.04 : x
  2. Step 2: Convert to fraction form
    352,323.12/528,482.48 = 86,085.04/x
  3. Step 3: Cross multiply
    352,323.12x = 528,482.48 × 86,085.04
  4. Step 4: Simplify right side
    352,323.12x = 45,494,435,430.10
  5. Step 5: Solve for x
    x = 45,494,435,430.10/352,323.12
  6. Step 6: Final answer
    x = 129,127.02

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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.