Finding the Fourth Proportional to 366,012.84, 549,063.56 and 129,307.08
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Solution
The fourth proportional to 366,012.84, 549,063.56 and 129,307.08 is: 193,976.27
Step by Step Solution
- Step 1: Write the proportion equation
366,012.84 : 549,063.56 = 129,307.08 : x - Step 2: Convert to fraction form
366,012.84/549,063.56 = 129,307.08/x - Step 3: Cross multiply
366,012.84x = 549,063.56 × 129,307.08 - Step 4: Simplify right side
366,012.84x = 70,997,805,031.47 - Step 5: Solve for x
x = 70,997,805,031.47/366,012.84 - Step 6: Final answer
x = 193,976.27
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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.