Finding the Fourth Proportional to 630,184.26, 869,504.70 and 358,230.66
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Solution
The fourth proportional to 630,184.26, 869,504.70 and 358,230.66 is: 494,273.28
Step by Step Solution
- Step 1: Write the proportion equation
630,184.26 : 869,504.70 = 358,230.66 : x - Step 2: Convert to fraction form
630,184.26/869,504.70 = 358,230.66/x - Step 3: Cross multiply
630,184.26x = 869,504.70 × 358,230.66 - Step 4: Simplify right side
630,184.26x = 311,483,242,554.10 - Step 5: Solve for x
x = 311,483,242,554.10/630,184.26 - Step 6: Final answer
x = 494,273.28
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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.