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Finding the Fourth Proportional to 341,317.80, 510,810.30 and 299,327.40

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Solution

The fourth proportional to 341,317.80, 510,810.30 and 299,327.40 is: 447,968.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,317.80 : 510,810.30 = 299,327.40 : x
  2. Step 2: Convert to fraction form
    341,317.80/510,810.30 = 299,327.40/x
  3. Step 3: Cross multiply
    341,317.80x = 510,810.30 × 299,327.40
  4. Step 4: Simplify right side
    341,317.80x = 152,899,518,992.22
  5. Step 5: Solve for x
    x = 152,899,518,992.22/341,317.80
  6. Step 6: Final answer
    x = 447,968.20

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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.