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Finding the Fourth Proportional to 365,035.64, 547,693.69 and 257,068.62

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Solution

The fourth proportional to 365,035.64, 547,693.69 and 257,068.62 is: 385,701.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,035.64 : 547,693.69 = 257,068.62 : x
  2. Step 2: Convert to fraction form
    365,035.64/547,693.69 = 257,068.62/x
  3. Step 3: Cross multiply
    365,035.64x = 547,693.69 × 257,068.62
  4. Step 4: Simplify right side
    365,035.64x = 140,794,860,428.34
  5. Step 5: Solve for x
    x = 140,794,860,428.34/365,035.64
  6. Step 6: Final answer
    x = 385,701.68

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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.