Home / 292,426.50-403,319.25-190,484.06

Finding the Fourth Proportional to 292,426.50, 403,319.25 and 190,484.06

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Solution

The fourth proportional to 292,426.50, 403,319.25 and 190,484.06 is: 262,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,426.50 : 403,319.25 = 190,484.06 : x
  2. Step 2: Convert to fraction form
    292,426.50/403,319.25 = 190,484.06/x
  3. Step 3: Cross multiply
    292,426.50x = 403,319.25 × 190,484.06
  4. Step 4: Simplify right side
    292,426.50x = 76,825,886,199.56
  5. Step 5: Solve for x
    x = 76,825,886,199.56/292,426.50
  6. Step 6: Final answer
    x = 262,718.62

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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.