Finding the Fourth Proportional to 320,344.03, 442,083.99 and 177,113.32
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Solution
The fourth proportional to 320,344.03, 442,083.99 and 177,113.32 is: 244,421.48
Step by Step Solution
- Step 1: Write the proportion equation
320,344.03 : 442,083.99 = 177,113.32 : x - Step 2: Convert to fraction form
320,344.03/442,083.99 = 177,113.32/x - Step 3: Cross multiply
320,344.03x = 442,083.99 × 177,113.32 - Step 4: Simplify right side
320,344.03x = 78,298,962,746.71 - Step 5: Solve for x
x = 78,298,962,746.71/320,344.03 - Step 6: Final answer
x = 244,421.48
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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.