Finding the Fourth Proportional to 302,726.97, 417,731.79 and 186,421.95
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Solution
The fourth proportional to 302,726.97, 417,731.79 and 186,421.95 is: 257,242.94
Step by Step Solution
- Step 1: Write the proportion equation
302,726.97 : 417,731.79 = 186,421.95 : x - Step 2: Convert to fraction form
302,726.97/417,731.79 = 186,421.95/x - Step 3: Cross multiply
302,726.97x = 417,731.79 × 186,421.95 - Step 4: Simplify right side
302,726.97x = 77,874,374,868.79 - Step 5: Solve for x
x = 77,874,374,868.79/302,726.97 - Step 6: Final answer
x = 257,242.94
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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.