Finding the Fourth Proportional to 472,416.24, 651,938.22 and 257,557.84
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Solution
The fourth proportional to 472,416.24, 651,938.22 and 257,557.84 is: 355,431.90
Step by Step Solution
- Step 1: Write the proportion equation
472,416.24 : 651,938.22 = 257,557.84 : x - Step 2: Convert to fraction form
472,416.24/651,938.22 = 257,557.84/x - Step 3: Cross multiply
472,416.24x = 651,938.22 × 257,557.84 - Step 4: Simplify right side
472,416.24x = 167,911,799,756.65 - Step 5: Solve for x
x = 167,911,799,756.65/472,416.24 - Step 6: Final answer
x = 355,431.90
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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.