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Finding the Fourth Proportional to 333,474.34, 460,459.82 and 307,971.39

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Solution

The fourth proportional to 333,474.34, 460,459.82 and 307,971.39 is: 425,245.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,474.34 : 460,459.82 = 307,971.39 : x
  2. Step 2: Convert to fraction form
    333,474.34/460,459.82 = 307,971.39/x
  3. Step 3: Cross multiply
    333,474.34x = 460,459.82 × 307,971.39
  4. Step 4: Simplify right side
    333,474.34x = 141,808,450,804.55
  5. Step 5: Solve for x
    x = 141,808,450,804.55/333,474.34
  6. Step 6: Final answer
    x = 425,245.47

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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.