Home / 405,985.44-560,312.25-244,927.47

Finding the Fourth Proportional to 405,985.44, 560,312.25 and 244,927.47

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Solution

The fourth proportional to 405,985.44, 560,312.25 and 244,927.47 is: 338,031.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,985.44 : 560,312.25 = 244,927.47 : x
  2. Step 2: Convert to fraction form
    405,985.44/560,312.25 = 244,927.47/x
  3. Step 3: Cross multiply
    405,985.44x = 560,312.25 × 244,927.47
  4. Step 4: Simplify right side
    405,985.44x = 137,235,861,802.51
  5. Step 5: Solve for x
    x = 137,235,861,802.51/405,985.44
  6. Step 6: Final answer
    x = 338,031.49

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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.