Finding the Fourth Proportional to 461,124.05, 636,349.84 and 257,175.23
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Solution
The fourth proportional to 461,124.05, 636,349.84 and 257,175.23 is: 354,901.06
Step by Step Solution
- Step 1: Write the proportion equation
461,124.05 : 636,349.84 = 257,175.23 : x - Step 2: Convert to fraction form
461,124.05/636,349.84 = 257,175.23/x - Step 3: Cross multiply
461,124.05x = 636,349.84 × 257,175.23 - Step 4: Simplify right side
461,124.05x = 163,653,412,637.78 - Step 5: Solve for x
x = 163,653,412,637.78/461,124.05 - Step 6: Final answer
x = 354,901.06
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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.