Finding the Fourth Proportional to 499,989.74, 750,058.46 and 144,957.63
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Solution
The fourth proportional to 499,989.74, 750,058.46 and 144,957.63 is: 217,457.85
Step by Step Solution
- Step 1: Write the proportion equation
499,989.74 : 750,058.46 = 144,957.63 : x - Step 2: Convert to fraction form
499,989.74/750,058.46 = 144,957.63/x - Step 3: Cross multiply
499,989.74x = 750,058.46 × 144,957.63 - Step 4: Simplify right side
499,989.74x = 108,726,692,618.26 - Step 5: Solve for x
x = 108,726,692,618.26/499,989.74 - Step 6: Final answer
x = 217,457.85
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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.