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Finding the Fourth Proportional to 340,290.27, 510,482.12 and 115,590.40

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Solution

The fourth proportional to 340,290.27, 510,482.12 and 115,590.40 is: 173,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,290.27 : 510,482.12 = 115,590.40 : x
  2. Step 2: Convert to fraction form
    340,290.27/510,482.12 = 115,590.40/x
  3. Step 3: Cross multiply
    340,290.27x = 510,482.12 × 115,590.40
  4. Step 4: Simplify right side
    340,290.27x = 59,006,830,589.49
  5. Step 5: Solve for x
    x = 59,006,830,589.49/340,290.27
  6. Step 6: Final answer
    x = 173,401.46

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1.5x scale

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.