Finding the Fourth Proportional to 249,753.99, 344,653.50 and 136,574.31
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Solution
The fourth proportional to 249,753.99, 344,653.50 and 136,574.31 is: 188,468.72
Step by Step Solution
- Step 1: Write the proportion equation
249,753.99 : 344,653.50 = 136,574.31 : x - Step 2: Convert to fraction form
249,753.99/344,653.50 = 136,574.31/x - Step 3: Cross multiply
249,753.99x = 344,653.50 × 136,574.31 - Step 4: Simplify right side
249,753.99x = 47,070,813,951.59 - Step 5: Solve for x
x = 47,070,813,951.59/249,753.99 - Step 6: Final answer
x = 188,468.72
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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.