Finding the Fourth Proportional to 513,197.74, 708,184.17 and 283,741.66
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Solution
The fourth proportional to 513,197.74, 708,184.17 and 283,741.66 is: 391,547.62
Step by Step Solution
- Step 1: Write the proportion equation
513,197.74 : 708,184.17 = 283,741.66 : x - Step 2: Convert to fraction form
513,197.74/708,184.17 = 283,741.66/x - Step 3: Cross multiply
513,197.74x = 708,184.17 × 283,741.66 - Step 4: Simplify right side
513,197.74x = 200,941,351,981.52 - Step 5: Solve for x
x = 200,941,351,981.52/513,197.74 - Step 6: Final answer
x = 391,547.62
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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.