Finding the Fourth Proportional to 409,695.84, 565,334.64 and 248,590.08
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Solution
The fourth proportional to 409,695.84, 565,334.64 and 248,590.08 is: 343,026.63
Step by Step Solution
- Step 1: Write the proportion equation
409,695.84 : 565,334.64 = 248,590.08 : x - Step 2: Convert to fraction form
409,695.84/565,334.64 = 248,590.08/x - Step 3: Cross multiply
409,695.84x = 565,334.64 × 248,590.08 - Step 4: Simplify right side
409,695.84x = 140,536,583,384.37 - Step 5: Solve for x
x = 140,536,583,384.37/409,695.84 - Step 6: Final answer
x = 343,026.63
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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.