Home / 340,731.74-510,710.16-207,318

Finding the Fourth Proportional to 340,731.74, 510,710.16 and 207,318

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Solution

The fourth proportional to 340,731.74, 510,710.16 and 207,318 is: 310,741.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,731.74 : 510,710.16 = 207,318 : x
  2. Step 2: Convert to fraction form
    340,731.74/510,710.16 = 207,318/x
  3. Step 3: Cross multiply
    340,731.74x = 510,710.16 × 207,318
  4. Step 4: Simplify right side
    340,731.74x = 105,879,408,950.88
  5. Step 5: Solve for x
    x = 105,879,408,950.88/340,731.74
  6. Step 6: Final answer
    x = 310,741.26

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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.