Home / 282,967.07-390,655.96-187,602.93

Finding the Fourth Proportional to 282,967.07, 390,655.96 and 187,602.93

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Solution

The fourth proportional to 282,967.07, 390,655.96 and 187,602.93 is: 258,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,967.07 : 390,655.96 = 187,602.93 : x
  2. Step 2: Convert to fraction form
    282,967.07/390,655.96 = 187,602.93/x
  3. Step 3: Cross multiply
    282,967.07x = 390,655.96 × 187,602.93
  4. Step 4: Simplify right side
    282,967.07x = 73,288,202,756.59
  5. Step 5: Solve for x
    x = 73,288,202,756.59/282,967.07
  6. Step 6: Final answer
    x = 258,999.05

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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.