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Finding the Fourth Proportional to 637,967.40, 956,919.27 and 238,578.81

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Solution

The fourth proportional to 637,967.40, 956,919.27 and 238,578.81 is: 357,856.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,967.40 : 956,919.27 = 238,578.81 : x
  2. Step 2: Convert to fraction form
    637,967.40/956,919.27 = 238,578.81/x
  3. Step 3: Cross multiply
    637,967.40x = 956,919.27 × 238,578.81
  4. Step 4: Simplify right side
    637,967.40x = 228,300,660,702.67
  5. Step 5: Solve for x
    x = 228,300,660,702.67/637,967.40
  6. Step 6: Final answer
    x = 357,856.31

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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.