Finding the Fourth Proportional to 399,637.05, 598,938.82 and 299,007.70
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Solution
The fourth proportional to 399,637.05, 598,938.82 and 299,007.70 is: 448,124.91
Step by Step Solution
- Step 1: Write the proportion equation
399,637.05 : 598,938.82 = 299,007.70 : x - Step 2: Convert to fraction form
399,637.05/598,938.82 = 299,007.70/x - Step 3: Cross multiply
399,637.05x = 598,938.82 × 299,007.70 - Step 4: Simplify right side
399,637.05x = 179,087,319,008.91 - Step 5: Solve for x
x = 179,087,319,008.91/399,637.05 - Step 6: Final answer
x = 448,124.91
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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.