Home / 352,001.80-528,002.70-211,688.20

Finding the Fourth Proportional to 352,001.80, 528,002.70 and 211,688.20

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Solution

The fourth proportional to 352,001.80, 528,002.70 and 211,688.20 is: 317,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,001.80 : 528,002.70 = 211,688.20 : x
  2. Step 2: Convert to fraction form
    352,001.80/528,002.70 = 211,688.20/x
  3. Step 3: Cross multiply
    352,001.80x = 528,002.70 × 211,688.20
  4. Step 4: Simplify right side
    352,001.80x = 111,771,941,158.14
  5. Step 5: Solve for x
    x = 111,771,941,158.14/352,001.80
  6. Step 6: Final answer
    x = 317,532.30

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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.