Home / 314,715.02-434,470.94-245,656.22

Finding the Fourth Proportional to 314,715.02, 434,470.94 and 245,656.22

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Solution

The fourth proportional to 314,715.02, 434,470.94 and 245,656.22 is: 339,133.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,715.02 : 434,470.94 = 245,656.22 : x
  2. Step 2: Convert to fraction form
    314,715.02/434,470.94 = 245,656.22/x
  3. Step 3: Cross multiply
    314,715.02x = 434,470.94 × 245,656.22
  4. Step 4: Simplify right side
    314,715.02x = 106,730,488,820.25
  5. Step 5: Solve for x
    x = 106,730,488,820.25/314,715.02
  6. Step 6: Final answer
    x = 339,133.76

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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.