Home / 315,975.02-435,995.12-180,011.66

Finding the Fourth Proportional to 315,975.02, 435,995.12 and 180,011.66

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Solution

The fourth proportional to 315,975.02, 435,995.12 and 180,011.66 is: 248,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,975.02 : 435,995.12 = 180,011.66 : x
  2. Step 2: Convert to fraction form
    315,975.02/435,995.12 = 180,011.66/x
  3. Step 3: Cross multiply
    315,975.02x = 435,995.12 × 180,011.66
  4. Step 4: Simplify right side
    315,975.02x = 78,484,202,223.07
  5. Step 5: Solve for x
    x = 78,484,202,223.07/315,975.02
  6. Step 6: Final answer
    x = 248,387.37

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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.