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Finding the Fourth Proportional to 336,602.96, 464,666.70 and 290,479.12

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Solution

The fourth proportional to 336,602.96, 464,666.70 and 290,479.12 is: 400,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,602.96 : 464,666.70 = 290,479.12 : x
  2. Step 2: Convert to fraction form
    336,602.96/464,666.70 = 290,479.12/x
  3. Step 3: Cross multiply
    336,602.96x = 464,666.70 × 290,479.12
  4. Step 4: Simplify right side
    336,602.96x = 134,975,974,109.30
  5. Step 5: Solve for x
    x = 134,975,974,109.30/336,602.96
  6. Step 6: Final answer
    x = 400,994.61

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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.