Home / 314,931.19-434,467.86-200,148.31

Finding the Fourth Proportional to 314,931.19, 434,467.86 and 200,148.31

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Solution

The fourth proportional to 314,931.19, 434,467.86 and 200,148.31 is: 276,117.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,931.19 : 434,467.86 = 200,148.31 : x
  2. Step 2: Convert to fraction form
    314,931.19/434,467.86 = 200,148.31/x
  3. Step 3: Cross multiply
    314,931.19x = 434,467.86 × 200,148.31
  4. Step 4: Simplify right side
    314,931.19x = 86,958,007,928.32
  5. Step 5: Solve for x
    x = 86,958,007,928.32/314,931.19
  6. Step 6: Final answer
    x = 276,117.48

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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.