Finding the Fourth Proportional to 830,842.63, 1,246,263.95 and 199,756.47
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Solution
The fourth proportional to 830,842.63, 1,246,263.95 and 199,756.47 is: 299,634.70
Step by Step Solution
- Step 1: Write the proportion equation
830,842.63 : 1,246,263.95 = 199,756.47 : x - Step 2: Convert to fraction form
830,842.63/1,246,263.95 = 199,756.47/x - Step 3: Cross multiply
830,842.63x = 1,246,263.95 × 199,756.47 - Step 4: Simplify right side
830,842.63x = 248,949,280,110.15 - Step 5: Solve for x
x = 248,949,280,110.15/830,842.63 - Step 6: Final answer
x = 299,634.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.