Finding the Fourth Proportional to 329,430.24, 454,695.12 and 216,406.08
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Solution
The fourth proportional to 329,430.24, 454,695.12 and 216,406.08 is: 298,693.86
Step by Step Solution
- Step 1: Write the proportion equation
329,430.24 : 454,695.12 = 216,406.08 : x - Step 2: Convert to fraction form
329,430.24/454,695.12 = 216,406.08/x - Step 3: Cross multiply
329,430.24x = 454,695.12 × 216,406.08 - Step 4: Simplify right side
329,430.24x = 98,398,788,514.33 - Step 5: Solve for x
x = 98,398,788,514.33/329,430.24 - Step 6: Final answer
x = 298,693.86
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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.