Finding the Fourth Proportional to 351,477.66, 485,039.64 and 190,332.99
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Solution
The fourth proportional to 351,477.66, 485,039.64 and 190,332.99 is: 262,659.78
Step by Step Solution
- Step 1: Write the proportion equation
351,477.66 : 485,039.64 = 190,332.99 : x - Step 2: Convert to fraction form
351,477.66/485,039.64 = 190,332.99/x - Step 3: Cross multiply
351,477.66x = 485,039.64 × 190,332.99 - Step 4: Simplify right side
351,477.66x = 92,319,045,663.47 - Step 5: Solve for x
x = 92,319,045,663.47/351,477.66 - Step 6: Final answer
x = 262,659.78
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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.