Home / 343,250.89-473,686.20-190,288.70

Finding the Fourth Proportional to 343,250.89, 473,686.20 and 190,288.70

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Solution

The fourth proportional to 343,250.89, 473,686.20 and 190,288.70 is: 262,598.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,250.89 : 473,686.20 = 190,288.70 : x
  2. Step 2: Convert to fraction form
    343,250.89/473,686.20 = 190,288.70/x
  3. Step 3: Cross multiply
    343,250.89x = 473,686.20 × 190,288.70
  4. Step 4: Simplify right side
    343,250.89x = 90,137,128,837.51
  5. Step 5: Solve for x
    x = 90,137,128,837.51/343,250.89
  6. Step 6: Final answer
    x = 262,598.38

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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.