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Finding the Fourth Proportional to 350,583.64, 525,875.46 and 320,170.84

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Solution

The fourth proportional to 350,583.64, 525,875.46 and 320,170.84 is: 480,256.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,583.64 : 525,875.46 = 320,170.84 : x
  2. Step 2: Convert to fraction form
    350,583.64/525,875.46 = 320,170.84/x
  3. Step 3: Cross multiply
    350,583.64x = 525,875.46 × 320,170.84
  4. Step 4: Simplify right side
    350,583.64x = 168,369,987,763.59
  5. Step 5: Solve for x
    x = 168,369,987,763.59/350,583.64
  6. Step 6: Final answer
    x = 480,256.26

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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.