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Finding the Fourth Proportional to 651,145.60, 898,538.16 and 364,600

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Solution

The fourth proportional to 651,145.60, 898,538.16 and 364,600 is: 503,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,145.60 : 898,538.16 = 364,600 : x
  2. Step 2: Convert to fraction form
    651,145.60/898,538.16 = 364,600/x
  3. Step 3: Cross multiply
    651,145.60x = 898,538.16 × 364,600
  4. Step 4: Simplify right side
    651,145.60x = 327,607,013,136
  5. Step 5: Solve for x
    x = 327,607,013,136/651,145.60
  6. Step 6: Final answer
    x = 503,124.05

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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.