Finding the Fourth Proportional to 659,282.49, 909,815.30 and 357,476.49
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Solution
The fourth proportional to 659,282.49, 909,815.30 and 357,476.49 is: 493,320.52
Step by Step Solution
- Step 1: Write the proportion equation
659,282.49 : 909,815.30 = 357,476.49 : x - Step 2: Convert to fraction form
659,282.49/909,815.30 = 357,476.49/x - Step 3: Cross multiply
659,282.49x = 909,815.30 × 357,476.49 - Step 4: Simplify right side
659,282.49x = 325,237,578,204.92 - Step 5: Solve for x
x = 325,237,578,204.92/659,282.49 - Step 6: Final answer
x = 493,320.52
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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.