Finding the Fourth Proportional to 249,701.14, 344,503.17 and 142,194.94
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Solution
The fourth proportional to 249,701.14, 344,503.17 and 142,194.94 is: 196,180.95
Step by Step Solution
- Step 1: Write the proportion equation
249,701.14 : 344,503.17 = 142,194.94 : x - Step 2: Convert to fraction form
249,701.14/344,503.17 = 142,194.94/x - Step 3: Cross multiply
249,701.14x = 344,503.17 × 142,194.94 - Step 4: Simplify right side
249,701.14x = 48,986,607,587.96 - Step 5: Solve for x
x = 48,986,607,587.96/249,701.14 - Step 6: Final answer
x = 196,180.95
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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.