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Finding the Fourth Proportional to 259,511.53, 358,125.98 and 146,334.31

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Solution

The fourth proportional to 259,511.53, 358,125.98 and 146,334.31 is: 201,941.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,511.53 : 358,125.98 = 146,334.31 : x
  2. Step 2: Convert to fraction form
    259,511.53/358,125.98 = 146,334.31/x
  3. Step 3: Cross multiply
    259,511.53x = 358,125.98 × 146,334.31
  4. Step 4: Simplify right side
    259,511.53x = 52,406,118,176.37
  5. Step 5: Solve for x
    x = 52,406,118,176.37/259,511.53
  6. Step 6: Final answer
    x = 201,941.39

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1.5x scale

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.