Finding the Fourth Proportional to 148,597.91, 205,065.11 and 84,937.07
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Solution
The fourth proportional to 148,597.91, 205,065.11 and 84,937.07 is: 117,213.15
Step by Step Solution
- Step 1: Write the proportion equation
148,597.91 : 205,065.11 = 84,937.07 : x - Step 2: Convert to fraction form
148,597.91/205,065.11 = 84,937.07/x - Step 3: Cross multiply
148,597.91x = 205,065.11 × 84,937.07 - Step 4: Simplify right side
148,597.91x = 17,417,628,152.62 - Step 5: Solve for x
x = 17,417,628,152.62/148,597.91 - Step 6: Final answer
x = 117,213.15
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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.