Finding the Fourth Proportional to 352,420.08, 486,340.14 and 191,275.08
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Solution
The fourth proportional to 352,420.08, 486,340.14 and 191,275.08 is: 263,959.84
Step by Step Solution
- Step 1: Write the proportion equation
352,420.08 : 486,340.14 = 191,275.08 : x - Step 2: Convert to fraction form
352,420.08/486,340.14 = 191,275.08/x - Step 3: Cross multiply
352,420.08x = 486,340.14 × 191,275.08 - Step 4: Simplify right side
352,420.08x = 93,024,749,185.71 - Step 5: Solve for x
x = 93,024,749,185.71/352,420.08 - Step 6: Final answer
x = 263,959.84
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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.