Home / 258,725.08-357,040.07-145,547.83

Finding the Fourth Proportional to 258,725.08, 357,040.07 and 145,547.83

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Solution

The fourth proportional to 258,725.08, 357,040.07 and 145,547.83 is: 200,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,725.08 : 357,040.07 = 145,547.83 : x
  2. Step 2: Convert to fraction form
    258,725.08/357,040.07 = 145,547.83/x
  3. Step 3: Cross multiply
    258,725.08x = 357,040.07 × 145,547.83
  4. Step 4: Simplify right side
    258,725.08x = 51,966,407,675.91
  5. Step 5: Solve for x
    x = 51,966,407,675.91/258,725.08
  6. Step 6: Final answer
    x = 200,855.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.