Home / 314,813.48-434,429.95-171,570.44

Finding the Fourth Proportional to 314,813.48, 434,429.95 and 171,570.44

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Solution

The fourth proportional to 314,813.48, 434,429.95 and 171,570.44 is: 236,760.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,813.48 : 434,429.95 = 171,570.44 : x
  2. Step 2: Convert to fraction form
    314,813.48/434,429.95 = 171,570.44/x
  3. Step 3: Cross multiply
    314,813.48x = 434,429.95 × 171,570.44
  4. Step 4: Simplify right side
    314,813.48x = 74,535,336,812.83
  5. Step 5: Solve for x
    x = 74,535,336,812.83/314,813.48
  6. Step 6: Final answer
    x = 236,760.31

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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.