Finding the Fourth Proportional to 405,572.28, 559,710.99 and 233,516.40
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Solution
The fourth proportional to 405,572.28, 559,710.99 and 233,516.40 is: 322,264.86
Step by Step Solution
- Step 1: Write the proportion equation
405,572.28 : 559,710.99 = 233,516.40 : x - Step 2: Convert to fraction form
405,572.28/559,710.99 = 233,516.40/x - Step 3: Cross multiply
405,572.28x = 559,710.99 × 233,516.40 - Step 4: Simplify right side
405,572.28x = 130,701,695,425.24 - Step 5: Solve for x
x = 130,701,695,425.24/405,572.28 - Step 6: Final answer
x = 322,264.86
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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.