Finding the Fourth Proportional to 369,126.54, 553,735.98 and 144,457.95
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Solution
The fourth proportional to 369,126.54, 553,735.98 and 144,457.95 is: 216,704.99
Step by Step Solution
- Step 1: Write the proportion equation
369,126.54 : 553,735.98 = 144,457.95 : x - Step 2: Convert to fraction form
369,126.54/553,735.98 = 144,457.95/x - Step 3: Cross multiply
369,126.54x = 553,735.98 × 144,457.95 - Step 4: Simplify right side
369,126.54x = 79,991,564,512.04 - Step 5: Solve for x
x = 79,991,564,512.04/369,126.54 - Step 6: Final answer
x = 216,704.99
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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.