Home / 313,159.08-432,271.60-185,834.66

Finding the Fourth Proportional to 313,159.08, 432,271.60 and 185,834.66

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Solution

The fourth proportional to 313,159.08, 432,271.60 and 185,834.66 is: 256,518.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,159.08 : 432,271.60 = 185,834.66 : x
  2. Step 2: Convert to fraction form
    313,159.08/432,271.60 = 185,834.66/x
  3. Step 3: Cross multiply
    313,159.08x = 432,271.60 × 185,834.66
  4. Step 4: Simplify right side
    313,159.08x = 80,331,045,813.66
  5. Step 5: Solve for x
    x = 80,331,045,813.66/313,159.08
  6. Step 6: Final answer
    x = 256,518.34

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1.5x scale

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.