Finding the Fourth Proportional to 461,463.77, 636,818.81 and 257,502.53
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Solution
The fourth proportional to 461,463.77, 636,818.81 and 257,502.53 is: 355,352.82
Step by Step Solution
- Step 1: Write the proportion equation
461,463.77 : 636,818.81 = 257,502.53 : x - Step 2: Convert to fraction form
461,463.77/636,818.81 = 257,502.53/x - Step 3: Cross multiply
461,463.77x = 636,818.81 × 257,502.53 - Step 4: Simplify right side
461,463.77x = 163,982,450,254.98 - Step 5: Solve for x
x = 163,982,450,254.98/461,463.77 - Step 6: Final answer
x = 355,352.82
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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.