Finding the Fourth Proportional to 472,206.51, 651,625.97 and 257,341.93
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Solution
The fourth proportional to 472,206.51, 651,625.97 and 257,341.93 is: 355,121.50
Step by Step Solution
- Step 1: Write the proportion equation
472,206.51 : 651,625.97 = 257,341.93 : x - Step 2: Convert to fraction form
472,206.51/651,625.97 = 257,341.93/x - Step 3: Cross multiply
472,206.51x = 651,625.97 × 257,341.93 - Step 4: Simplify right side
472,206.51x = 167,690,681,842.15 - Step 5: Solve for x
x = 167,690,681,842.15/472,206.51 - Step 6: Final answer
x = 355,121.50
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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.