Finding the Fourth Proportional to 307,050.08, 423,904.91 and 205,247.95
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Solution
The fourth proportional to 307,050.08, 423,904.91 and 205,247.95 is: 283,359.68
Step by Step Solution
- Step 1: Write the proportion equation
307,050.08 : 423,904.91 = 205,247.95 : x - Step 2: Convert to fraction form
307,050.08/423,904.91 = 205,247.95/x - Step 3: Cross multiply
307,050.08x = 423,904.91 × 205,247.95 - Step 4: Simplify right side
307,050.08x = 87,005,611,686.43 - Step 5: Solve for x
x = 87,005,611,686.43/307,050.08 - Step 6: Final answer
x = 283,359.68
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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.