Finding the Fourth Proportional to 357,718.66, 536,178.32 and 155,080.84
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Solution
The fourth proportional to 357,718.66, 536,178.32 and 155,080.84 is: 232,447.99
Step by Step Solution
- Step 1: Write the proportion equation
357,718.66 : 536,178.32 = 155,080.84 : x - Step 2: Convert to fraction form
357,718.66/536,178.32 = 155,080.84/x - Step 3: Cross multiply
357,718.66x = 536,178.32 × 155,080.84 - Step 4: Simplify right side
357,718.66x = 83,150,984,255.39 - Step 5: Solve for x
x = 83,150,984,255.39/357,718.66 - Step 6: Final answer
x = 232,447.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.