Finding the Fourth Proportional to 472,152.21, 651,570.06 and 257,292.21
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Solution
The fourth proportional to 472,152.21, 651,570.06 and 257,292.21 is: 355,063.26
Step by Step Solution
- Step 1: Write the proportion equation
472,152.21 : 651,570.06 = 257,292.21 : x - Step 2: Convert to fraction form
472,152.21/651,570.06 = 257,292.21/x - Step 3: Cross multiply
472,152.21x = 651,570.06 × 257,292.21 - Step 4: Simplify right side
472,152.21x = 167,643,900,707.23 - Step 5: Solve for x
x = 167,643,900,707.23/472,152.21 - Step 6: Final answer
x = 355,063.26
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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.