Finding the Fourth Proportional to 288,447.48, 432,083.68 and 235,328.76
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Solution
The fourth proportional to 288,447.48, 432,083.68 and 235,328.76 is: 352,513.80
Step by Step Solution
- Step 1: Write the proportion equation
288,447.48 : 432,083.68 = 235,328.76 : x - Step 2: Convert to fraction form
288,447.48/432,083.68 = 235,328.76/x - Step 3: Cross multiply
288,447.48x = 432,083.68 × 235,328.76 - Step 4: Simplify right side
288,447.48x = 101,681,716,630.64 - Step 5: Solve for x
x = 101,681,716,630.64/288,447.48 - Step 6: Final answer
x = 352,513.80
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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.