Finding the Fourth Proportional to 351,129.57, 484,555.35 and 189,981.08
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Solution
The fourth proportional to 351,129.57, 484,555.35 and 189,981.08 is: 262,172.02
Step by Step Solution
- Step 1: Write the proportion equation
351,129.57 : 484,555.35 = 189,981.08 : x - Step 2: Convert to fraction form
351,129.57/484,555.35 = 189,981.08/x - Step 3: Cross multiply
351,129.57x = 484,555.35 × 189,981.08 - Step 4: Simplify right side
351,129.57x = 92,056,348,712.78 - Step 5: Solve for x
x = 92,056,348,712.78/351,129.57 - Step 6: Final answer
x = 262,172.02
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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.