Finding the Fourth Proportional to 472,077.09, 651,465.99 and 257,218.92
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Solution
The fourth proportional to 472,077.09, 651,465.99 and 257,218.92 is: 354,961.89
Step by Step Solution
- Step 1: Write the proportion equation
472,077.09 : 651,465.99 = 257,218.92 : x - Step 2: Convert to fraction form
472,077.09/651,465.99 = 257,218.92/x - Step 3: Cross multiply
472,077.09x = 651,465.99 × 257,218.92 - Step 4: Simplify right side
472,077.09x = 167,569,378,364.53 - Step 5: Solve for x
x = 167,569,378,364.53/472,077.09 - Step 6: Final answer
x = 354,961.89
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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.