Finding the Fourth Proportional to 442,687.68, 662,656.86 and 239,779.80
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Solution
The fourth proportional to 442,687.68, 662,656.86 and 239,779.80 is: 358,925.12
Step by Step Solution
- Step 1: Write the proportion equation
442,687.68 : 662,656.86 = 239,779.80 : x - Step 2: Convert to fraction form
442,687.68/662,656.86 = 239,779.80/x - Step 3: Cross multiply
442,687.68x = 662,656.86 × 239,779.80 - Step 4: Simplify right side
442,687.68x = 158,891,729,359.43 - Step 5: Solve for x
x = 158,891,729,359.43/442,687.68 - Step 6: Final answer
x = 358,925.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.