Finding the Fourth Proportional to 226,911,468.80, 340,367,203.20 and 194,626,428.06
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Solution
The fourth proportional to 226,911,468.80, 340,367,203.20 and 194,626,428.06 is: 291,939,642.09
Step by Step Solution
- Step 1: Write the proportion equation
226,911,468.80 : 340,367,203.20 = 194,626,428.06 : x - Step 2: Convert to fraction form
226,911,468.80/340,367,203.20 = 194,626,428.06/x - Step 3: Cross multiply
226,911,468.80x = 340,367,203.20 × 194,626,428.06 - Step 4: Simplify right side
226,911,468.80x = 66,244,452,987,588,200 - Step 5: Solve for x
x = 66,244,452,987,588,200/226,911,468.80 - Step 6: Final answer
x = 291,939,642.09
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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.