Finding the Fourth Proportional to 272,005.47, 375,260.00 and 157,263.03
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Solution
The fourth proportional to 272,005.47, 375,260.00 and 157,263.03 is: 216,960.80
Step by Step Solution
- Step 1: Write the proportion equation
272,005.47 : 375,260.00 = 157,263.03 : x - Step 2: Convert to fraction form
272,005.47/375,260.00 = 157,263.03/x - Step 3: Cross multiply
272,005.47x = 375,260.00 × 157,263.03 - Step 4: Simplify right side
272,005.47x = 59,014,523,851.48 - Step 5: Solve for x
x = 59,014,523,851.48/272,005.47 - Step 6: Final answer
x = 216,960.80
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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.