Finding the Fourth Proportional to 452,781.39, 679,484.06 and 186,542.31
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Solution
The fourth proportional to 452,781.39, 679,484.06 and 186,542.31 is: 279,941.99
Step by Step Solution
- Step 1: Write the proportion equation
452,781.39 : 679,484.06 = 186,542.31 : x - Step 2: Convert to fraction form
452,781.39/679,484.06 = 186,542.31/x - Step 3: Cross multiply
452,781.39x = 679,484.06 × 186,542.31 - Step 4: Simplify right side
452,781.39x = 126,752,525,227.87 - Step 5: Solve for x
x = 126,752,525,227.87/452,781.39 - Step 6: Final answer
x = 279,941.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.