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Finding the Fourth Proportional to 350,658.40, 525,987.60 and 201,359.20

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Solution

The fourth proportional to 350,658.40, 525,987.60 and 201,359.20 is: 302,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,658.40 : 525,987.60 = 201,359.20 : x
  2. Step 2: Convert to fraction form
    350,658.40/525,987.60 = 201,359.20/x
  3. Step 3: Cross multiply
    350,658.40x = 525,987.60 × 201,359.20
  4. Step 4: Simplify right side
    350,658.40x = 105,912,442,345.92
  5. Step 5: Solve for x
    x = 105,912,442,345.92/350,658.40
  6. Step 6: Final answer
    x = 302,038.80

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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.