Finding the Fourth Proportional to 459,000.18, 633,156.35 and 286,618.82
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Solution
The fourth proportional to 459,000.18, 633,156.35 and 286,618.82 is: 395,369.17
Step by Step Solution
- Step 1: Write the proportion equation
459,000.18 : 633,156.35 = 286,618.82 : x - Step 2: Convert to fraction form
459,000.18/633,156.35 = 286,618.82/x - Step 3: Cross multiply
459,000.18x = 633,156.35 × 286,618.82 - Step 4: Simplify right side
459,000.18x = 181,474,521,313.63 - Step 5: Solve for x
x = 181,474,521,313.63/459,000.18 - Step 6: Final answer
x = 395,369.17
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1.5x scale
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.