Finding the Fourth Proportional to 669,950.68, 924,521.26 and 368,138.20
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Solution
The fourth proportional to 669,950.68, 924,521.26 and 368,138.20 is: 508,024.85
Step by Step Solution
- Step 1: Write the proportion equation
669,950.68 : 924,521.26 = 368,138.20 : x - Step 2: Convert to fraction form
669,950.68/924,521.26 = 368,138.20/x - Step 3: Cross multiply
669,950.68x = 924,521.26 × 368,138.20 - Step 4: Simplify right side
669,950.68x = 340,351,592,518.13 - Step 5: Solve for x
x = 340,351,592,518.13/669,950.68 - Step 6: Final answer
x = 508,024.85
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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.