Finding the Fourth Proportional to 456,117.16, 629,337.05 and 272,319.92
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Solution
The fourth proportional to 456,117.16, 629,337.05 and 272,319.92 is: 375,739.02
Step by Step Solution
- Step 1: Write the proportion equation
456,117.16 : 629,337.05 = 272,319.92 : x - Step 2: Convert to fraction form
456,117.16/629,337.05 = 272,319.92/x - Step 3: Cross multiply
456,117.16x = 629,337.05 × 272,319.92 - Step 4: Simplify right side
456,117.16x = 171,381,014,216.49 - Step 5: Solve for x
x = 171,381,014,216.49/456,117.16 - Step 6: Final answer
x = 375,739.02
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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.