Finding the Fourth Proportional to 249,479.78, 344,265.99 and 136,302.44
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Solution
The fourth proportional to 249,479.78, 344,265.99 and 136,302.44 is: 188,088.57
Step by Step Solution
- Step 1: Write the proportion equation
249,479.78 : 344,265.99 = 136,302.44 : x - Step 2: Convert to fraction form
249,479.78/344,265.99 = 136,302.44/x - Step 3: Cross multiply
249,479.78x = 344,265.99 × 136,302.44 - Step 4: Simplify right side
249,479.78x = 46,924,294,446.02 - Step 5: Solve for x
x = 46,924,294,446.02/249,479.78 - Step 6: Final answer
x = 188,088.57
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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.