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Finding the Fourth Proportional to 363,554.78, 501,575.72 and 210,509.42

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Solution

The fourth proportional to 363,554.78, 501,575.72 and 210,509.42 is: 290,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,554.78 : 501,575.72 = 210,509.42 : x
  2. Step 2: Convert to fraction form
    363,554.78/501,575.72 = 210,509.42/x
  3. Step 3: Cross multiply
    363,554.78x = 501,575.72 × 210,509.42
  4. Step 4: Simplify right side
    363,554.78x = 105,586,413,903.28
  5. Step 5: Solve for x
    x = 105,586,413,903.28/363,554.78
  6. Step 6: Final answer
    x = 290,427.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.