Finding the Fourth Proportional to 239,296.22, 358,854.93 and 79,342.82
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Solution
The fourth proportional to 239,296.22, 358,854.93 and 79,342.82 is: 118,984.59
Step by Step Solution
- Step 1: Write the proportion equation
239,296.22 : 358,854.93 = 79,342.82 : x - Step 2: Convert to fraction form
239,296.22/358,854.93 = 79,342.82/x - Step 3: Cross multiply
239,296.22x = 358,854.93 × 79,342.82 - Step 4: Simplify right side
239,296.22x = 28,472,562,117.10 - Step 5: Solve for x
x = 28,472,562,117.10/239,296.22 - Step 6: Final answer
x = 118,984.59
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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.