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Finding the Fourth Proportional to 507,484.79, 761,239.53 and 170,530.32

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Solution

The fourth proportional to 507,484.79, 761,239.53 and 170,530.32 is: 255,799.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,484.79 : 761,239.53 = 170,530.32 : x
  2. Step 2: Convert to fraction form
    507,484.79/761,239.53 = 170,530.32/x
  3. Step 3: Cross multiply
    507,484.79x = 761,239.53 × 170,530.32
  4. Step 4: Simplify right side
    507,484.79x = 129,814,420,647.55
  5. Step 5: Solve for x
    x = 129,814,420,647.55/507,484.79
  6. Step 6: Final answer
    x = 255,799.63

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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.