Finding the Fourth Proportional to 306,669.08, 423,203.30 and 170,700.10
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Solution
The fourth proportional to 306,669.08, 423,203.30 and 170,700.10 is: 235,566.12
Step by Step Solution
- Step 1: Write the proportion equation
306,669.08 : 423,203.30 = 170,700.10 : x - Step 2: Convert to fraction form
306,669.08/423,203.30 = 170,700.10/x - Step 3: Cross multiply
306,669.08x = 423,203.30 × 170,700.10 - Step 4: Simplify right side
306,669.08x = 72,240,844,776.83 - Step 5: Solve for x
x = 72,240,844,776.83/306,669.08 - Step 6: Final answer
x = 235,566.12
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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.