Finding the Fourth Proportional to 608,807.80, 913,251.66 and 159,539.68
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Solution
The fourth proportional to 608,807.80, 913,251.66 and 159,539.68 is: 239,319.99
Step by Step Solution
- Step 1: Write the proportion equation
608,807.80 : 913,251.66 = 159,539.68 : x - Step 2: Convert to fraction form
608,807.80/913,251.66 = 159,539.68/x - Step 3: Cross multiply
608,807.80x = 913,251.66 × 159,539.68 - Step 4: Simplify right side
608,807.80x = 145,699,877,595.87 - Step 5: Solve for x
x = 145,699,877,595.87/608,807.80 - Step 6: Final answer
x = 239,319.99
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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.