Finding the Fourth Proportional to 477,894.08, 716,734.20 and 140,862.80
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Solution
The fourth proportional to 477,894.08, 716,734.20 and 140,862.80 is: 211,262.68
Step by Step Solution
- Step 1: Write the proportion equation
477,894.08 : 716,734.20 = 140,862.80 : x - Step 2: Convert to fraction form
477,894.08/716,734.20 = 140,862.80/x - Step 3: Cross multiply
477,894.08x = 716,734.20 × 140,862.80 - Step 4: Simplify right side
477,894.08x = 100,961,186,267.76 - Step 5: Solve for x
x = 100,961,186,267.76/477,894.08 - Step 6: Final answer
x = 211,262.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.