Finding the Fourth Proportional to 306,727.20, 460,090.80 and 173,866.95
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Solution
The fourth proportional to 306,727.20, 460,090.80 and 173,866.95 is: 260,800.43
Step by Step Solution
- Step 1: Write the proportion equation
306,727.20 : 460,090.80 = 173,866.95 : x - Step 2: Convert to fraction form
306,727.20/460,090.80 = 173,866.95/x - Step 3: Cross multiply
306,727.20x = 460,090.80 × 173,866.95 - Step 4: Simplify right side
306,727.20x = 79,994,584,119.06 - Step 5: Solve for x
x = 79,994,584,119.06/306,727.20 - Step 6: Final answer
x = 260,800.43
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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.