Home / 385,816.02-532,565.73-314,071.49

Finding the Fourth Proportional to 385,816.02, 532,565.73 and 314,071.49

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Solution

The fourth proportional to 385,816.02, 532,565.73 and 314,071.49 is: 433,532.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,816.02 : 532,565.73 = 314,071.49 : x
  2. Step 2: Convert to fraction form
    385,816.02/532,565.73 = 314,071.49/x
  3. Step 3: Cross multiply
    385,816.02x = 532,565.73 × 314,071.49
  4. Step 4: Simplify right side
    385,816.02x = 167,263,709,681.21
  5. Step 5: Solve for x
    x = 167,263,709,681.21/385,816.02
  6. Step 6: Final answer
    x = 433,532.31

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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.