Finding the Fourth Proportional to 469,328.08, 647,707.08 and 268,119.76
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Solution
The fourth proportional to 469,328.08, 647,707.08 and 268,119.76 is: 370,024.88
Step by Step Solution
- Step 1: Write the proportion equation
469,328.08 : 647,707.08 = 268,119.76 : x - Step 2: Convert to fraction form
469,328.08/647,707.08 = 268,119.76/x - Step 3: Cross multiply
469,328.08x = 647,707.08 × 268,119.76 - Step 4: Simplify right side
469,328.08x = 173,663,066,839.90 - Step 5: Solve for x
x = 173,663,066,839.90/469,328.08 - Step 6: Final answer
x = 370,024.88
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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.