Home / 456,450.32-684,737.75-190,148.51

Finding the Fourth Proportional to 456,450.32, 684,737.75 and 190,148.51

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Solution

The fourth proportional to 456,450.32, 684,737.75 and 190,148.51 is: 285,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,450.32 : 684,737.75 = 190,148.51 : x
  2. Step 2: Convert to fraction form
    456,450.32/684,737.75 = 190,148.51/x
  3. Step 3: Cross multiply
    456,450.32x = 684,737.75 × 190,148.51
  4. Step 4: Simplify right side
    456,450.32x = 130,201,865,090.47
  5. Step 5: Solve for x
    x = 130,201,865,090.47/456,450.32
  6. Step 6: Final answer
    x = 285,248.71

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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.