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Finding the Fourth Proportional to 352,353.60, 528,530.40 and 323,323.20

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Solution

The fourth proportional to 352,353.60, 528,530.40 and 323,323.20 is: 484,984.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,353.60 : 528,530.40 = 323,323.20 : x
  2. Step 2: Convert to fraction form
    352,353.60/528,530.40 = 323,323.20/x
  3. Step 3: Cross multiply
    352,353.60x = 528,530.40 × 323,323.20
  4. Step 4: Simplify right side
    352,353.60x = 170,886,140,225.28
  5. Step 5: Solve for x
    x = 170,886,140,225.28/352,353.60
  6. Step 6: Final answer
    x = 484,984.80

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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.