Finding the Fourth Proportional to 359,455.08, 495,959.55 and 219,718.23
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Solution
The fourth proportional to 359,455.08, 495,959.55 and 219,718.23 is: 303,157.09
Step by Step Solution
- Step 1: Write the proportion equation
359,455.08 : 495,959.55 = 219,718.23 : x - Step 2: Convert to fraction form
359,455.08/495,959.55 = 219,718.23/x - Step 3: Cross multiply
359,455.08x = 495,959.55 × 219,718.23 - Step 4: Simplify right side
359,455.08x = 108,971,354,477.60 - Step 5: Solve for x
x = 108,971,354,477.60/359,455.08 - Step 6: Final answer
x = 303,157.09
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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.