Finding the Fourth Proportional to 249,367.76, 344,129.70 and 141,944.71
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Solution
The fourth proportional to 249,367.76, 344,129.70 and 141,944.71 is: 195,884.94
Step by Step Solution
- Step 1: Write the proportion equation
249,367.76 : 344,129.70 = 141,944.71 : x - Step 2: Convert to fraction form
249,367.76/344,129.70 = 141,944.71/x - Step 3: Cross multiply
249,367.76x = 344,129.70 × 141,944.71 - Step 4: Simplify right side
249,367.76x = 48,847,388,748.24 - Step 5: Solve for x
x = 48,847,388,748.24/249,367.76 - Step 6: Final answer
x = 195,884.94
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1.5x scale
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.