Finding the Fourth Proportional to 632,618.08, 873,023.88 and 346,163.20
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Solution
The fourth proportional to 632,618.08, 873,023.88 and 346,163.20 is: 477,711.20
Step by Step Solution
- Step 1: Write the proportion equation
632,618.08 : 873,023.88 = 346,163.20 : x - Step 2: Convert to fraction form
632,618.08/873,023.88 = 346,163.20/x - Step 3: Cross multiply
632,618.08x = 873,023.88 × 346,163.20 - Step 4: Simplify right side
632,618.08x = 302,208,739,977.22 - Step 5: Solve for x
x = 302,208,739,977.22/632,618.08 - Step 6: Final answer
x = 477,711.20
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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.