Finding the Fourth Proportional to 630,110.19, 869,525.84 and 343,625.07
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Solution
The fourth proportional to 630,110.19, 869,525.84 and 343,625.07 is: 474,188.29
Step by Step Solution
- Step 1: Write the proportion equation
630,110.19 : 869,525.84 = 343,625.07 : x - Step 2: Convert to fraction form
630,110.19/869,525.84 = 343,625.07/x - Step 3: Cross multiply
630,110.19x = 869,525.84 × 343,625.07 - Step 4: Simplify right side
630,110.19x = 298,790,875,918.68 - Step 5: Solve for x
x = 298,790,875,918.68/630,110.19 - Step 6: Final answer
x = 474,188.29
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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.