Finding the Fourth Proportional to 219,357.42, 302,733.68 and 133,296.54
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Solution
The fourth proportional to 219,357.42, 302,733.68 and 133,296.54 is: 183,961.65
Step by Step Solution
- Step 1: Write the proportion equation
219,357.42 : 302,733.68 = 133,296.54 : x - Step 2: Convert to fraction form
219,357.42/302,733.68 = 133,296.54/x - Step 3: Cross multiply
219,357.42x = 302,733.68 × 133,296.54 - Step 4: Simplify right side
219,357.42x = 40,353,352,085.47 - Step 5: Solve for x
x = 40,353,352,085.47/219,357.42 - Step 6: Final answer
x = 183,961.65
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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.