Finding the Fourth Proportional to 498,590.44, 688,056.63 and 272,235.94
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Solution
The fourth proportional to 498,590.44, 688,056.63 and 272,235.94 is: 375,686.59
Step by Step Solution
- Step 1: Write the proportion equation
498,590.44 : 688,056.63 = 272,235.94 : x - Step 2: Convert to fraction form
498,590.44/688,056.63 = 272,235.94/x - Step 3: Cross multiply
498,590.44x = 688,056.63 × 272,235.94 - Step 4: Simplify right side
498,590.44x = 187,313,740,700.26 - Step 5: Solve for x
x = 187,313,740,700.26/498,590.44 - Step 6: Final answer
x = 375,686.59
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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.