Home / 307,639.02-424,541.93-169,818.03

Finding the Fourth Proportional to 307,639.02, 424,541.93 and 169,818.03

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Solution

The fourth proportional to 307,639.02, 424,541.93 and 169,818.03 is: 234,348.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,639.02 : 424,541.93 = 169,818.03 : x
  2. Step 2: Convert to fraction form
    307,639.02/424,541.93 = 169,818.03/x
  3. Step 3: Cross multiply
    307,639.02x = 424,541.93 × 169,818.03
  4. Step 4: Simplify right side
    307,639.02x = 72,094,871,233.20
  5. Step 5: Solve for x
    x = 72,094,871,233.20/307,639.02
  6. Step 6: Final answer
    x = 234,348.92

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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.