Finding the Fourth Proportional to 369,455.37, 509,841.20 and 208,307.29
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Solution
The fourth proportional to 369,455.37, 509,841.20 and 208,307.29 is: 287,459.99
Step by Step Solution
- Step 1: Write the proportion equation
369,455.37 : 509,841.20 = 208,307.29 : x - Step 2: Convert to fraction form
369,455.37/509,841.20 = 208,307.29/x - Step 3: Cross multiply
369,455.37x = 509,841.20 × 208,307.29 - Step 4: Simplify right side
369,455.37x = 106,203,636,153.14 - Step 5: Solve for x
x = 106,203,636,153.14/369,455.37 - Step 6: Final answer
x = 287,459.99
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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.