Home / 340,787.48-470,280.54-185,740.11

Finding the Fourth Proportional to 340,787.48, 470,280.54 and 185,740.11

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Solution

The fourth proportional to 340,787.48, 470,280.54 and 185,740.11 is: 256,317.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,787.48 : 470,280.54 = 185,740.11 : x
  2. Step 2: Convert to fraction form
    340,787.48/470,280.54 = 185,740.11/x
  3. Step 3: Cross multiply
    340,787.48x = 470,280.54 × 185,740.11
  4. Step 4: Simplify right side
    340,787.48x = 87,349,959,230.46
  5. Step 5: Solve for x
    x = 87,349,959,230.46/340,787.48
  6. Step 6: Final answer
    x = 256,317.99

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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.