Finding the Fourth Proportional to 99,302.70, 139,373.70 and 99,302.70
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Solution
The fourth proportional to 99,302.70, 139,373.70 and 99,302.70 is: 139,373.70
Step by Step Solution
- Step 1: Write the proportion equation
99,302.70 : 139,373.70 = 99,302.70 : x - Step 2: Convert to fraction form
99,302.70/139,373.70 = 99,302.70/x - Step 3: Cross multiply
99,302.70x = 139,373.70 × 99,302.70 - Step 4: Simplify right side
99,302.70x = 13,840,184,718.99 - Step 5: Solve for x
x = 13,840,184,718.99/99,302.70 - Step 6: Final answer
x = 139,373.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.