Finding the Fourth Proportional to 249,479.35, 344,282.58 and 136,304.53
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Solution
The fourth proportional to 249,479.35, 344,282.58 and 136,304.53 is: 188,100.84
Step by Step Solution
- Step 1: Write the proportion equation
249,479.35 : 344,282.58 = 136,304.53 : x - Step 2: Convert to fraction form
249,479.35/344,282.58 = 136,304.53/x - Step 3: Cross multiply
249,479.35x = 344,282.58 × 136,304.53 - Step 4: Simplify right side
249,479.35x = 46,927,274,393.38 - Step 5: Solve for x
x = 46,927,274,393.38/249,479.35 - Step 6: Final answer
x = 188,100.84
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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.