Finding the Fourth Proportional to 249,279.84, 344,006.16 and 136,102.68
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Solution
The fourth proportional to 249,279.84, 344,006.16 and 136,102.68 is: 187,821.69
Step by Step Solution
- Step 1: Write the proportion equation
249,279.84 : 344,006.16 = 136,102.68 : x - Step 2: Convert to fraction form
249,279.84/344,006.16 = 136,102.68/x - Step 3: Cross multiply
249,279.84x = 344,006.16 × 136,102.68 - Step 4: Simplify right side
249,279.84x = 46,820,160,312.51 - Step 5: Solve for x
x = 46,820,160,312.51/249,279.84 - Step 6: Final answer
x = 187,821.69
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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.