Home / 349,184.69-524,143.53-309,457.84

Finding the Fourth Proportional to 349,184.69, 524,143.53 and 309,457.84

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Solution

The fourth proportional to 349,184.69, 524,143.53 and 309,457.84 is: 464,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,184.69 : 524,143.53 = 309,457.84 : x
  2. Step 2: Convert to fraction form
    349,184.69/524,143.53 = 309,457.84/x
  3. Step 3: Cross multiply
    349,184.69x = 524,143.53 × 309,457.84
  4. Step 4: Simplify right side
    349,184.69x = 162,200,320,475.77
  5. Step 5: Solve for x
    x = 162,200,320,475.77/349,184.69
  6. Step 6: Final answer
    x = 464,511.55

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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.