Home / 314,947.42-434,360.04-266,128.22

Finding the Fourth Proportional to 314,947.42, 434,360.04 and 266,128.22

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Solution

The fourth proportional to 314,947.42, 434,360.04 and 266,128.22 is: 367,030.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,947.42 : 434,360.04 = 266,128.22 : x
  2. Step 2: Convert to fraction form
    314,947.42/434,360.04 = 266,128.22/x
  3. Step 3: Cross multiply
    314,947.42x = 434,360.04 × 266,128.22
  4. Step 4: Simplify right side
    314,947.42x = 115,595,464,284.33
  5. Step 5: Solve for x
    x = 115,595,464,284.33/314,947.42
  6. Step 6: Final answer
    x = 367,030.99

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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.