Finding the Fourth Proportional to 357,656.66, 536,401.76 and 133,122.84
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Solution
The fourth proportional to 357,656.66, 536,401.76 and 133,122.84 is: 199,653.28
Step by Step Solution
- Step 1: Write the proportion equation
357,656.66 : 536,401.76 = 133,122.84 : x - Step 2: Convert to fraction form
357,656.66/536,401.76 = 133,122.84/x - Step 3: Cross multiply
357,656.66x = 536,401.76 × 133,122.84 - Step 4: Simplify right side
357,656.66x = 71,407,325,672.20 - Step 5: Solve for x
x = 71,407,325,672.20/357,656.66 - Step 6: Final answer
x = 199,653.28
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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.