Finding the Fourth Proportional to 249,907.08, 344,880.36 and 136,729.80
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Solution
The fourth proportional to 249,907.08, 344,880.36 and 136,729.80 is: 188,691.82
Step by Step Solution
- Step 1: Write the proportion equation
249,907.08 : 344,880.36 = 136,729.80 : x - Step 2: Convert to fraction form
249,907.08/344,880.36 = 136,729.80/x - Step 3: Cross multiply
249,907.08x = 344,880.36 × 136,729.80 - Step 4: Simplify right side
249,907.08x = 47,155,422,646.73 - Step 5: Solve for x
x = 47,155,422,646.73/249,907.08 - Step 6: Final answer
x = 188,691.82
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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.