Finding the Fourth Proportional to 630,342.09, 869,870.27 and 343,860.13
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Solution
The fourth proportional to 630,342.09, 869,870.27 and 343,860.13 is: 474,525.99
Step by Step Solution
- Step 1: Write the proportion equation
630,342.09 : 869,870.27 = 343,860.13 : x - Step 2: Convert to fraction form
630,342.09/869,870.27 = 343,860.13/x - Step 3: Cross multiply
630,342.09x = 869,870.27 × 343,860.13 - Step 4: Simplify right side
630,342.09x = 299,113,706,072.32 - Step 5: Solve for x
x = 299,113,706,072.32/630,342.09 - Step 6: Final answer
x = 474,525.99
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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.