Finding the Fourth Proportional to 608,605.08, 912,990.69 and 253,536.06
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Solution
The fourth proportional to 608,605.08, 912,990.69 and 253,536.06 is: 380,338.70
Step by Step Solution
- Step 1: Write the proportion equation
608,605.08 : 912,990.69 = 253,536.06 : x - Step 2: Convert to fraction form
608,605.08/912,990.69 = 253,536.06/x - Step 3: Cross multiply
608,605.08x = 912,990.69 × 253,536.06 - Step 4: Simplify right side
608,605.08x = 231,476,062,359.28 - Step 5: Solve for x
x = 231,476,062,359.28/608,605.08 - Step 6: Final answer
x = 380,338.70
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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.