Home / 686,828.69-1,030,226.91-181,424.94

Finding the Fourth Proportional to 686,828.69, 1,030,226.91 and 181,424.94

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Solution

The fourth proportional to 686,828.69, 1,030,226.91 and 181,424.94 is: 272,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,828.69 : 1,030,226.91 = 181,424.94 : x
  2. Step 2: Convert to fraction form
    686,828.69/1,030,226.91 = 181,424.94/x
  3. Step 3: Cross multiply
    686,828.69x = 1,030,226.91 × 181,424.94
  4. Step 4: Simplify right side
    686,828.69x = 186,908,855,333.14
  5. Step 5: Solve for x
    x = 186,908,855,333.14/686,828.69
  6. Step 6: Final answer
    x = 272,133.15

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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.