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Finding the Fourth Proportional to 336,030.60, 504,045.90 and 290,411.40

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Solution

The fourth proportional to 336,030.60, 504,045.90 and 290,411.40 is: 435,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,030.60 : 504,045.90 = 290,411.40 : x
  2. Step 2: Convert to fraction form
    336,030.60/504,045.90 = 290,411.40/x
  3. Step 3: Cross multiply
    336,030.60x = 504,045.90 × 290,411.40
  4. Step 4: Simplify right side
    336,030.60x = 146,380,675,483.26
  5. Step 5: Solve for x
    x = 146,380,675,483.26/336,030.60
  6. Step 6: Final answer
    x = 435,617.10

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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.