Finding the Fourth Proportional to 630,301.14, 869,821.86 and 343,827.23
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Solution
The fourth proportional to 630,301.14, 869,821.86 and 343,827.23 is: 474,485.00
Step by Step Solution
- Step 1: Write the proportion equation
630,301.14 : 869,821.86 = 343,827.23 : x - Step 2: Convert to fraction form
630,301.14/869,821.86 = 343,827.23/x - Step 3: Cross multiply
630,301.14x = 869,821.86 × 343,827.23 - Step 4: Simplify right side
630,301.14x = 299,068,436,368.14 - Step 5: Solve for x
x = 299,068,436,368.14/630,301.14 - Step 6: Final answer
x = 474,485.00
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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.