Finding the Fourth Proportional to 147,924.20, 221,995.65 and 97,987.70
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Solution
The fourth proportional to 147,924.20, 221,995.65 and 97,987.70 is: 147,053.99
Step by Step Solution
- Step 1: Write the proportion equation
147,924.20 : 221,995.65 = 97,987.70 : x - Step 2: Convert to fraction form
147,924.20/221,995.65 = 97,987.70/x - Step 3: Cross multiply
147,924.20x = 221,995.65 × 97,987.70 - Step 4: Simplify right side
147,924.20x = 21,752,843,153.51 - Step 5: Solve for x
x = 21,752,843,153.51/147,924.20 - Step 6: Final answer
x = 147,053.99
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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.