Finding the Fourth Proportional to 259,652.94, 358,322.14 and 140,420.94
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Solution
The fourth proportional to 259,652.94, 358,322.14 and 140,420.94 is: 193,781.48
Step by Step Solution
- Step 1: Write the proportion equation
259,652.94 : 358,322.14 = 140,420.94 : x - Step 2: Convert to fraction form
259,652.94/358,322.14 = 140,420.94/x - Step 3: Cross multiply
259,652.94x = 358,322.14 × 140,420.94 - Step 4: Simplify right side
259,652.94x = 50,315,931,019.51 - Step 5: Solve for x
x = 50,315,931,019.51/259,652.94 - Step 6: Final answer
x = 193,781.48
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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.