Finding the Fourth Proportional to 356,738.79, 534,395.16 and 214,506.19
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Solution
The fourth proportional to 356,738.79, 534,395.16 and 214,506.19 is: 321,330.54
Step by Step Solution
- Step 1: Write the proportion equation
356,738.79 : 534,395.16 = 214,506.19 : x - Step 2: Convert to fraction form
356,738.79/534,395.16 = 214,506.19/x - Step 3: Cross multiply
356,738.79x = 534,395.16 × 214,506.19 - Step 4: Simplify right side
356,738.79x = 114,631,069,726.04 - Step 5: Solve for x
x = 114,631,069,726.04/356,738.79 - Step 6: Final answer
x = 321,330.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.