Finding the Fourth Proportional to 632,228.63, 872,476.34 and 356,590.08
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Solution
The fourth proportional to 632,228.63, 872,476.34 and 356,590.08 is: 492,094.78
Step by Step Solution
- Step 1: Write the proportion equation
632,228.63 : 872,476.34 = 356,590.08 : x - Step 2: Convert to fraction form
632,228.63/872,476.34 = 356,590.08/x - Step 3: Cross multiply
632,228.63x = 872,476.34 × 356,590.08 - Step 4: Simplify right side
632,228.63x = 311,116,406,095.76 - Step 5: Solve for x
x = 311,116,406,095.76/632,228.63 - Step 6: Final answer
x = 492,094.78
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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.