Finding the Fourth Proportional to 249,747.30, 374,620.95 and 173,639.70
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Solution
The fourth proportional to 249,747.30, 374,620.95 and 173,639.70 is: 260,459.55
Step by Step Solution
- Step 1: Write the proportion equation
249,747.30 : 374,620.95 = 173,639.70 : x - Step 2: Convert to fraction form
249,747.30/374,620.95 = 173,639.70/x - Step 3: Cross multiply
249,747.30x = 374,620.95 × 173,639.70 - Step 4: Simplify right side
249,747.30x = 65,049,069,371.72 - Step 5: Solve for x
x = 65,049,069,371.72/249,747.30 - Step 6: Final answer
x = 260,459.55
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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.