Home / 510,931.12-705,085.14-296,195.67

Finding the Fourth Proportional to 510,931.12, 705,085.14 and 296,195.67

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Solution

The fourth proportional to 510,931.12, 705,085.14 and 296,195.67 is: 408,750.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,931.12 : 705,085.14 = 296,195.67 : x
  2. Step 2: Convert to fraction form
    510,931.12/705,085.14 = 296,195.67/x
  3. Step 3: Cross multiply
    510,931.12x = 705,085.14 × 296,195.67
  4. Step 4: Simplify right side
    510,931.12x = 208,843,161,923.92
  5. Step 5: Solve for x
    x = 208,843,161,923.92/510,931.12
  6. Step 6: Final answer
    x = 408,750.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.