Finding the Fourth Proportional to 493,313.76, 680,774.70 and 266,959.20
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Solution
The fourth proportional to 493,313.76, 680,774.70 and 266,959.20 is: 368,404.62
Step by Step Solution
- Step 1: Write the proportion equation
493,313.76 : 680,774.70 = 266,959.20 : x - Step 2: Convert to fraction form
493,313.76/680,774.70 = 266,959.20/x - Step 3: Cross multiply
493,313.76x = 680,774.70 × 266,959.20 - Step 4: Simplify right side
493,313.76x = 181,739,069,292.24 - Step 5: Solve for x
x = 181,739,069,292.24/493,313.76 - Step 6: Final answer
x = 368,404.62
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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.