Home / 369,141.05-551,688.54-269,511.05

Finding the Fourth Proportional to 369,141.05, 551,688.54 and 269,511.05

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Solution

The fourth proportional to 369,141.05, 551,688.54 and 269,511.05 is: 402,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,141.05 : 551,688.54 = 269,511.05 : x
  2. Step 2: Convert to fraction form
    369,141.05/551,688.54 = 269,511.05/x
  3. Step 3: Cross multiply
    369,141.05x = 551,688.54 × 269,511.05
  4. Step 4: Simplify right side
    369,141.05x = 148,686,157,688.37
  5. Step 5: Solve for x
    x = 148,686,157,688.37/369,141.05
  6. Step 6: Final answer
    x = 402,789.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.