Finding the Fourth Proportional to 249,304,934.88, 343,862,345.88 and 174,982,072.68
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Solution
The fourth proportional to 249,304,934.88, 343,862,345.88 and 174,982,072.68 is: 241,349,999.86
Step by Step Solution
- Step 1: Write the proportion equation
249,304,934.88 : 343,862,345.88 = 174,982,072.68 : x - Step 2: Convert to fraction form
249,304,934.88/343,862,345.88 = 174,982,072.68/x - Step 3: Cross multiply
249,304,934.88x = 343,862,345.88 × 174,982,072.68 - Step 4: Simplify right side
249,304,934.88x = 60,169,745,998,689,464 - Step 5: Solve for x
x = 60,169,745,998,689,464/249,304,934.88 - Step 6: Final answer
x = 241,349,999.86
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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.