Finding the Fourth Proportional to 249,182.48, 343,849.65 and 138,792.68
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Solution
The fourth proportional to 249,182.48, 343,849.65 and 138,792.68 is: 191,521.55
Step by Step Solution
- Step 1: Write the proportion equation
249,182.48 : 343,849.65 = 138,792.68 : x - Step 2: Convert to fraction form
249,182.48/343,849.65 = 138,792.68/x - Step 3: Cross multiply
249,182.48x = 343,849.65 × 138,792.68 - Step 4: Simplify right side
249,182.48x = 47,723,814,440.56 - Step 5: Solve for x
x = 47,723,814,440.56/249,182.48 - Step 6: Final answer
x = 191,521.55
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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.