Home / 388,831.01-536,737.26-303,975.41

Finding the Fourth Proportional to 388,831.01, 536,737.26 and 303,975.41

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Solution

The fourth proportional to 388,831.01, 536,737.26 and 303,975.41 is: 419,603.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,831.01 : 536,737.26 = 303,975.41 : x
  2. Step 2: Convert to fraction form
    388,831.01/536,737.26 = 303,975.41/x
  3. Step 3: Cross multiply
    388,831.01x = 536,737.26 × 303,975.41
  4. Step 4: Simplify right side
    388,831.01x = 163,154,925,987.09
  5. Step 5: Solve for x
    x = 163,154,925,987.09/388,831.01
  6. Step 6: Final answer
    x = 419,603.69

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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.