Finding the Fourth Proportional to 459,534.16, 633,983.17 and 285,023.63
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Solution
The fourth proportional to 459,534.16, 633,983.17 and 285,023.63 is: 393,224.70
Step by Step Solution
- Step 1: Write the proportion equation
459,534.16 : 633,983.17 = 285,023.63 : x - Step 2: Convert to fraction form
459,534.16/633,983.17 = 285,023.63/x - Step 3: Cross multiply
459,534.16x = 633,983.17 × 285,023.63 - Step 4: Simplify right side
459,534.16x = 180,700,182,312.97 - Step 5: Solve for x
x = 180,700,182,312.97/459,534.16 - Step 6: Final answer
x = 393,224.70
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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.