Finding the Fourth Proportional to 312,408.63, 468,515.98 and 112,703.00
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Solution
The fourth proportional to 312,408.63, 468,515.98 and 112,703.00 is: 169,019.51
Step by Step Solution
- Step 1: Write the proportion equation
312,408.63 : 468,515.98 = 112,703.00 : x - Step 2: Convert to fraction form
312,408.63/468,515.98 = 112,703.00/x - Step 3: Cross multiply
312,408.63x = 468,515.98 × 112,703.00 - Step 4: Simplify right side
312,408.63x = 52,803,154,292.24 - Step 5: Solve for x
x = 52,803,154,292.24/312,408.63 - Step 6: Final answer
x = 169,019.51
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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.