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Finding the Fourth Proportional to 637,967.64, 956,919.64 and 238,579.08

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Solution

The fourth proportional to 637,967.64, 956,919.64 and 238,579.08 is: 357,856.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,967.64 : 956,919.64 = 238,579.08 : x
  2. Step 2: Convert to fraction form
    637,967.64/956,919.64 = 238,579.08/x
  3. Step 3: Cross multiply
    637,967.64x = 956,919.64 × 238,579.08
  4. Step 4: Simplify right side
    637,967.64x = 228,301,007,345.13
  5. Step 5: Solve for x
    x = 228,301,007,345.13/637,967.64
  6. Step 6: Final answer
    x = 357,856.72

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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.