Home / 314,813.10-434,429.40-171,570.06

Finding the Fourth Proportional to 314,813.10, 434,429.40 and 171,570.06

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Solution

The fourth proportional to 314,813.10, 434,429.40 and 171,570.06 is: 236,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,813.10 : 434,429.40 = 171,570.06 : x
  2. Step 2: Convert to fraction form
    314,813.10/434,429.40 = 171,570.06/x
  3. Step 3: Cross multiply
    314,813.10x = 434,429.40 × 171,570.06
  4. Step 4: Simplify right side
    314,813.10x = 74,535,078,223.76
  5. Step 5: Solve for x
    x = 74,535,078,223.76/314,813.10
  6. Step 6: Final answer
    x = 236,759.77

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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.