Home / 258,530.08-387,585.90-116,271.16

Finding the Fourth Proportional to 258,530.08, 387,585.90 and 116,271.16

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Solution

The fourth proportional to 258,530.08, 387,585.90 and 116,271.16 is: 174,312.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,530.08 : 387,585.90 = 116,271.16 : x
  2. Step 2: Convert to fraction form
    258,530.08/387,585.90 = 116,271.16/x
  3. Step 3: Cross multiply
    258,530.08x = 387,585.90 × 116,271.16
  4. Step 4: Simplify right side
    258,530.08x = 45,065,062,192.64
  5. Step 5: Solve for x
    x = 45,065,062,192.64/258,530.08
  6. Step 6: Final answer
    x = 174,312.65

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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.