Home / 314,814.04-434,455.09-178,871.03

Finding the Fourth Proportional to 314,814.04, 434,455.09 and 178,871.03

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Solution

The fourth proportional to 314,814.04, 434,455.09 and 178,871.03 is: 246,848.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,814.04 : 434,455.09 = 178,871.03 : x
  2. Step 2: Convert to fraction form
    314,814.04/434,455.09 = 178,871.03/x
  3. Step 3: Cross multiply
    314,814.04x = 434,455.09 × 178,871.03
  4. Step 4: Simplify right side
    314,814.04x = 77,711,429,437.04
  5. Step 5: Solve for x
    x = 77,711,429,437.04/314,814.04
  6. Step 6: Final answer
    x = 246,848.68

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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.