Finding the Fourth Proportional to 382,054.05, 527,071.05 and 238,564.98
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Solution
The fourth proportional to 382,054.05, 527,071.05 and 238,564.98 is: 329,117.55
Step by Step Solution
- Step 1: Write the proportion equation
382,054.05 : 527,071.05 = 238,564.98 : x - Step 2: Convert to fraction form
382,054.05/527,071.05 = 238,564.98/x - Step 3: Cross multiply
382,054.05x = 527,071.05 × 238,564.98 - Step 4: Simplify right side
382,054.05x = 125,740,694,501.83 - Step 5: Solve for x
x = 125,740,694,501.83/382,054.05 - Step 6: Final answer
x = 329,117.55
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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.