Finding the Fourth Proportional to 152,408.67, 210,325.64 and 84,426.68
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Solution
The fourth proportional to 152,408.67, 210,325.64 and 84,426.68 is: 116,509.75
Step by Step Solution
- Step 1: Write the proportion equation
152,408.67 : 210,325.64 = 84,426.68 : x - Step 2: Convert to fraction form
152,408.67/210,325.64 = 84,426.68/x - Step 3: Cross multiply
152,408.67x = 210,325.64 × 84,426.68 - Step 4: Simplify right side
152,408.67x = 17,757,095,504.08 - Step 5: Solve for x
x = 17,757,095,504.08/152,408.67 - Step 6: Final answer
x = 116,509.75
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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.