Finding the Fourth Proportional to 356,307.43, 534,448.18 and 106,982.95
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Solution
The fourth proportional to 356,307.43, 534,448.18 and 106,982.95 is: 160,470.53
Step by Step Solution
- Step 1: Write the proportion equation
356,307.43 : 534,448.18 = 106,982.95 : x - Step 2: Convert to fraction form
356,307.43/534,448.18 = 106,982.95/x - Step 3: Cross multiply
356,307.43x = 534,448.18 × 106,982.95 - Step 4: Simplify right side
356,307.43x = 57,176,842,918.53 - Step 5: Solve for x
x = 57,176,842,918.53/356,307.43 - Step 6: Final answer
x = 160,470.53
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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.