Home / 385,088.78-577,152.03-185,356.15

Finding the Fourth Proportional to 385,088.78, 577,152.03 and 185,356.15

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Solution

The fourth proportional to 385,088.78, 577,152.03 and 185,356.15 is: 277,802.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,088.78 : 577,152.03 = 185,356.15 : x
  2. Step 2: Convert to fraction form
    385,088.78/577,152.03 = 185,356.15/x
  3. Step 3: Cross multiply
    385,088.78x = 577,152.03 × 185,356.15
  4. Step 4: Simplify right side
    385,088.78x = 106,978,678,245.49
  5. Step 5: Solve for x
    x = 106,978,678,245.49/385,088.78
  6. Step 6: Final answer
    x = 277,802.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.