Home / 352,534.60-528,024.30-212,048.20

Finding the Fourth Proportional to 352,534.60, 528,024.30 and 212,048.20

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Solution

The fourth proportional to 352,534.60, 528,024.30 and 212,048.20 is: 317,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,534.60 : 528,024.30 = 212,048.20 : x
  2. Step 2: Convert to fraction form
    352,534.60/528,024.30 = 212,048.20/x
  3. Step 3: Cross multiply
    352,534.60x = 528,024.30 × 212,048.20
  4. Step 4: Simplify right side
    352,534.60x = 111,966,602,371.26
  5. Step 5: Solve for x
    x = 111,966,602,371.26/352,534.60
  6. Step 6: Final answer
    x = 317,604.58

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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.