Finding the Fourth Proportional to 357,699.36, 536,549.14 and 133,030.44
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Solution
The fourth proportional to 357,699.36, 536,549.14 and 133,030.44 is: 199,545.70
Step by Step Solution
- Step 1: Write the proportion equation
357,699.36 : 536,549.14 = 133,030.44 : x - Step 2: Convert to fraction form
357,699.36/536,549.14 = 133,030.44/x - Step 3: Cross multiply
357,699.36x = 536,549.14 × 133,030.44 - Step 4: Simplify right side
357,699.36x = 71,377,368,175.82 - Step 5: Solve for x
x = 71,377,368,175.82/357,699.36 - Step 6: Final answer
x = 199,545.70
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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.