Home / 390,093.17-584,973.60-153,269.72

Finding the Fourth Proportional to 390,093.17, 584,973.60 and 153,269.72

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Solution

The fourth proportional to 390,093.17, 584,973.60 and 153,269.72 is: 229,839.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,093.17 : 584,973.60 = 153,269.72 : x
  2. Step 2: Convert to fraction form
    390,093.17/584,973.60 = 153,269.72/x
  3. Step 3: Cross multiply
    390,093.17x = 584,973.60 × 153,269.72
  4. Step 4: Simplify right side
    390,093.17x = 89,658,738,573.41
  5. Step 5: Solve for x
    x = 89,658,738,573.41/390,093.17
  6. Step 6: Final answer
    x = 229,839.30

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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.