Home / 369,735.34-509,999.91-242,419.18

Finding the Fourth Proportional to 369,735.34, 509,999.91 and 242,419.18

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Solution

The fourth proportional to 369,735.34, 509,999.91 and 242,419.18 is: 334,384.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,735.34 : 509,999.91 = 242,419.18 : x
  2. Step 2: Convert to fraction form
    369,735.34/509,999.91 = 242,419.18/x
  3. Step 3: Cross multiply
    369,735.34x = 509,999.91 × 242,419.18
  4. Step 4: Simplify right side
    369,735.34x = 123,633,759,982.27
  5. Step 5: Solve for x
    x = 123,633,759,982.27/369,735.34
  6. Step 6: Final answer
    x = 334,384.48

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1.5x scale

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.