Finding the Fourth Proportional to 262,031.55, 361,616.36 and 147,346.29
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Solution
The fourth proportional to 262,031.55, 361,616.36 and 147,346.29 is: 203,345.09
Step by Step Solution
- Step 1: Write the proportion equation
262,031.55 : 361,616.36 = 147,346.29 : x - Step 2: Convert to fraction form
262,031.55/361,616.36 = 147,346.29/x - Step 3: Cross multiply
262,031.55x = 361,616.36 × 147,346.29 - Step 4: Simplify right side
262,031.55x = 53,282,828,312.57 - Step 5: Solve for x
x = 53,282,828,312.57/262,031.55 - Step 6: Final answer
x = 203,345.09
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1.5x scale
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.