Home / 279,810.06-386,126.64-152,482.92

Finding the Fourth Proportional to 279,810.06, 386,126.64 and 152,482.92

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Solution

The fourth proportional to 279,810.06, 386,126.64 and 152,482.92 is: 210,420.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,810.06 : 386,126.64 = 152,482.92 : x
  2. Step 2: Convert to fraction form
    279,810.06/386,126.64 = 152,482.92/x
  3. Step 3: Cross multiply
    279,810.06x = 386,126.64 × 152,482.92
  4. Step 4: Simplify right side
    279,810.06x = 58,877,717,556.99
  5. Step 5: Solve for x
    x = 58,877,717,556.99/279,810.06
  6. Step 6: Final answer
    x = 210,420.30

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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.