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Finding the Fourth Proportional to 364,428.01, 502,911.46 and 203,293.50

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Solution

The fourth proportional to 364,428.01, 502,911.46 and 203,293.50 is: 280,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,428.01 : 502,911.46 = 203,293.50 : x
  2. Step 2: Convert to fraction form
    364,428.01/502,911.46 = 203,293.50/x
  3. Step 3: Cross multiply
    364,428.01x = 502,911.46 × 203,293.50
  4. Step 4: Simplify right side
    364,428.01x = 102,238,630,893.51
  5. Step 5: Solve for x
    x = 102,238,630,893.51/364,428.01
  6. Step 6: Final answer
    x = 280,545.48

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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.