Finding the Fourth Proportional to 249,202.07, 343,898.76 and 136,024.82
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Solution
The fourth proportional to 249,202.07, 343,898.76 and 136,024.82 is: 187,714.20
Step by Step Solution
- Step 1: Write the proportion equation
249,202.07 : 343,898.76 = 136,024.82 : x - Step 2: Convert to fraction form
249,202.07/343,898.76 = 136,024.82/x - Step 3: Cross multiply
249,202.07x = 343,898.76 × 136,024.82 - Step 4: Simplify right side
249,202.07x = 46,778,767,007.44 - Step 5: Solve for x
x = 46,778,767,007.44/249,202.07 - Step 6: Final answer
x = 187,714.20
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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.