Home / 493,923.36-740,888.72-138,973.28

Finding the Fourth Proportional to 493,923.36, 740,888.72 and 138,973.28

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Solution

The fourth proportional to 493,923.36, 740,888.72 and 138,973.28 is: 208,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,923.36 : 740,888.72 = 138,973.28 : x
  2. Step 2: Convert to fraction form
    493,923.36/740,888.72 = 138,973.28/x
  3. Step 3: Cross multiply
    493,923.36x = 740,888.72 × 138,973.28
  4. Step 4: Simplify right side
    493,923.36x = 102,963,735,533.40
  5. Step 5: Solve for x
    x = 102,963,735,533.40/493,923.36
  6. Step 6: Final answer
    x = 208,460.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.