Finding the Fourth Proportional to 249,823.88, 344,762.42 and 136,646.63
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Solution
The fourth proportional to 249,823.88, 344,762.42 and 136,646.63 is: 188,575.33
Step by Step Solution
- Step 1: Write the proportion equation
249,823.88 : 344,762.42 = 136,646.63 : x - Step 2: Convert to fraction form
249,823.88/344,762.42 = 136,646.63/x - Step 3: Cross multiply
249,823.88x = 344,762.42 × 136,646.63 - Step 4: Simplify right side
249,823.88x = 47,110,620,436.60 - Step 5: Solve for x
x = 47,110,620,436.60/249,823.88 - Step 6: Final answer
x = 188,575.33
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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.