Finding the Fourth Proportional to 472,223.16, 651,648.99 and 257,358.62
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Solution
The fourth proportional to 472,223.16, 651,648.99 and 257,358.62 is: 355,144.55
Step by Step Solution
- Step 1: Write the proportion equation
472,223.16 : 651,648.99 = 257,358.62 : x - Step 2: Convert to fraction form
472,223.16/651,648.99 = 257,358.62/x - Step 3: Cross multiply
472,223.16x = 651,648.99 × 257,358.62 - Step 4: Simplify right side
472,223.16x = 167,707,481,532.55 - Step 5: Solve for x
x = 167,707,481,532.55/472,223.16 - Step 6: Final answer
x = 355,144.55
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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.