Finding the Fourth Proportional to 409,701.68, 565,513.28 and 237,663.12
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Solution
The fourth proportional to 409,701.68, 565,513.28 and 237,663.12 is: 328,047.59
Step by Step Solution
- Step 1: Write the proportion equation
409,701.68 : 565,513.28 = 237,663.12 : x - Step 2: Convert to fraction form
409,701.68/565,513.28 = 237,663.12/x - Step 3: Cross multiply
409,701.68x = 565,513.28 × 237,663.12 - Step 4: Simplify right side
409,701.68x = 134,401,650,526.23 - Step 5: Solve for x
x = 134,401,650,526.23/409,701.68 - Step 6: Final answer
x = 328,047.59
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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.