Finding the Fourth Proportional to 372,235.49, 513,730.58 and 219,265.77
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Solution
The fourth proportional to 372,235.49, 513,730.58 and 219,265.77 is: 302,613.63
Step by Step Solution
- Step 1: Write the proportion equation
372,235.49 : 513,730.58 = 219,265.77 : x - Step 2: Convert to fraction form
372,235.49/513,730.58 = 219,265.77/x - Step 3: Cross multiply
372,235.49x = 513,730.58 × 219,265.77 - Step 4: Simplify right side
372,235.49x = 112,643,531,196.25 - Step 5: Solve for x
x = 112,643,531,196.25/372,235.49 - Step 6: Final answer
x = 302,613.63
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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.