Finding the Fourth Proportional to 249,031.13, 343,672.58 and 141,610.91
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Solution
The fourth proportional to 249,031.13, 343,672.58 and 141,610.91 is: 195,428.52
Step by Step Solution
- Step 1: Write the proportion equation
249,031.13 : 343,672.58 = 141,610.91 : x - Step 2: Convert to fraction form
249,031.13/343,672.58 = 141,610.91/x - Step 3: Cross multiply
249,031.13x = 343,672.58 × 141,610.91 - Step 4: Simplify right side
249,031.13x = 48,667,786,087.79 - Step 5: Solve for x
x = 48,667,786,087.79/249,031.13 - Step 6: Final answer
x = 195,428.52
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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.