Home / 369,980.63-554,746.21-145,071.60

Finding the Fourth Proportional to 369,980.63, 554,746.21 and 145,071.60

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Solution

The fourth proportional to 369,980.63, 554,746.21 and 145,071.60 is: 217,519.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,980.63 : 554,746.21 = 145,071.60 : x
  2. Step 2: Convert to fraction form
    369,980.63/554,746.21 = 145,071.60/x
  3. Step 3: Cross multiply
    369,980.63x = 554,746.21 × 145,071.60
  4. Step 4: Simplify right side
    369,980.63x = 80,477,922,540.27
  5. Step 5: Solve for x
    x = 80,477,922,540.27/369,980.63
  6. Step 6: Final answer
    x = 217,519.29

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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.