Finding the Fourth Proportional to 249,966.97, 344,953.02 and 135,245.32
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Solution
The fourth proportional to 249,966.97, 344,953.02 and 135,245.32 is: 186,637.78
Step by Step Solution
- Step 1: Write the proportion equation
249,966.97 : 344,953.02 = 135,245.32 : x - Step 2: Convert to fraction form
249,966.97/344,953.02 = 135,245.32/x - Step 3: Cross multiply
249,966.97x = 344,953.02 × 135,245.32 - Step 4: Simplify right side
249,966.97x = 46,653,281,574.87 - Step 5: Solve for x
x = 46,653,281,574.87/249,966.97 - Step 6: Final answer
x = 186,637.78
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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.