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Finding the Fourth Proportional to 343,624, 515,445.72 and 94,306

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Solution

The fourth proportional to 343,624, 515,445.72 and 94,306 is: 141,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,624 : 515,445.72 = 94,306 : x
  2. Step 2: Convert to fraction form
    343,624/515,445.72 = 94,306/x
  3. Step 3: Cross multiply
    343,624x = 515,445.72 × 94,306
  4. Step 4: Simplify right side
    343,624x = 48,609,624,070.32
  5. Step 5: Solve for x
    x = 48,609,624,070.32/343,624
  6. Step 6: Final answer
    x = 141,461.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.