Finding the Fourth Proportional to 351,491.48, 485,058.71 and 190,346.79
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Solution
The fourth proportional to 351,491.48, 485,058.71 and 190,346.79 is: 262,678.82
Step by Step Solution
- Step 1: Write the proportion equation
351,491.48 : 485,058.71 = 190,346.79 : x - Step 2: Convert to fraction form
351,491.48/485,058.71 = 190,346.79/x - Step 3: Cross multiply
351,491.48x = 485,058.71 × 190,346.79 - Step 4: Simplify right side
351,491.48x = 92,329,368,410.04 - Step 5: Solve for x
x = 92,329,368,410.04/351,491.48 - Step 6: Final answer
x = 262,678.82
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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.