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Finding the Fourth Proportional to 347,556.48, 520,452.36 and 291,248.52

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Solution

The fourth proportional to 347,556.48, 520,452.36 and 291,248.52 is: 436,133.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,556.48 : 520,452.36 = 291,248.52 : x
  2. Step 2: Convert to fraction form
    347,556.48/520,452.36 = 291,248.52/x
  3. Step 3: Cross multiply
    347,556.48x = 520,452.36 × 291,248.52
  4. Step 4: Simplify right side
    347,556.48x = 151,580,979,580.51
  5. Step 5: Solve for x
    x = 151,580,979,580.51/347,556.48
  6. Step 6: Final answer
    x = 436,133.37

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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.