Finding the Fourth Proportional to 472,238.54, 651,670.21 and 257,373.99
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Solution
The fourth proportional to 472,238.54, 651,670.21 and 257,373.99 is: 355,165.77
Step by Step Solution
- Step 1: Write the proportion equation
472,238.54 : 651,670.21 = 257,373.99 : x - Step 2: Convert to fraction form
472,238.54/651,670.21 = 257,373.99/x - Step 3: Cross multiply
472,238.54x = 651,670.21 × 257,373.99 - Step 4: Simplify right side
472,238.54x = 167,722,962,433.56 - Step 5: Solve for x
x = 167,722,962,433.56/472,238.54 - Step 6: Final answer
x = 355,165.77
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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.