Finding the Fourth Proportional to 249,405.60, 344,175.84 and 136,225.92
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Solution
The fourth proportional to 249,405.60, 344,175.84 and 136,225.92 is: 187,989.65
Step by Step Solution
- Step 1: Write the proportion equation
249,405.60 : 344,175.84 = 136,225.92 : x - Step 2: Convert to fraction form
249,405.60/344,175.84 = 136,225.92/x - Step 3: Cross multiply
249,405.60x = 344,175.84 × 136,225.92 - Step 4: Simplify right side
249,405.60x = 46,885,670,445.77 - Step 5: Solve for x
x = 46,885,670,445.77/249,405.60 - Step 6: Final answer
x = 187,989.65
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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.