Finding the Fourth Proportional to 375,515.74, 563,267.42 and 91,208.62
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Solution
The fourth proportional to 375,515.74, 563,267.42 and 91,208.62 is: 136,811.43
Step by Step Solution
- Step 1: Write the proportion equation
375,515.74 : 563,267.42 = 91,208.62 : x - Step 2: Convert to fraction form
375,515.74/563,267.42 = 91,208.62/x - Step 3: Cross multiply
375,515.74x = 563,267.42 × 91,208.62 - Step 4: Simplify right side
375,515.74x = 51,374,844,069.16 - Step 5: Solve for x
x = 51,374,844,069.16/375,515.74 - Step 6: Final answer
x = 136,811.43
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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.