Home / 390,094.17-584,975.10-153,270.72

Finding the Fourth Proportional to 390,094.17, 584,975.10 and 153,270.72

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Solution

The fourth proportional to 390,094.17, 584,975.10 and 153,270.72 is: 229,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,094.17 : 584,975.10 = 153,270.72 : x
  2. Step 2: Convert to fraction form
    390,094.17/584,975.10 = 153,270.72/x
  3. Step 3: Cross multiply
    390,094.17x = 584,975.10 × 153,270.72
  4. Step 4: Simplify right side
    390,094.17x = 89,659,554,759.07
  5. Step 5: Solve for x
    x = 89,659,554,759.07/390,094.17
  6. Step 6: Final answer
    x = 229,840.80

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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.