Home / 314,017.20-434,484.76-273,814.80

Finding the Fourth Proportional to 314,017.20, 434,484.76 and 273,814.80

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Solution

The fourth proportional to 314,017.20, 434,484.76 and 273,814.80 is: 378,859.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,017.20 : 434,484.76 = 273,814.80 : x
  2. Step 2: Convert to fraction form
    314,017.20/434,484.76 = 273,814.80/x
  3. Step 3: Cross multiply
    314,017.20x = 434,484.76 × 273,814.80
  4. Step 4: Simplify right side
    314,017.20x = 118,968,357,662.45
  5. Step 5: Solve for x
    x = 118,968,357,662.45/314,017.20
  6. Step 6: Final answer
    x = 378,859.37

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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.