Finding the Fourth Proportional to 405,408.84, 608,178.58 and 124,925.96
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Solution
The fourth proportional to 405,408.84, 608,178.58 and 124,925.96 is: 187,409.07
Step by Step Solution
- Step 1: Write the proportion equation
405,408.84 : 608,178.58 = 124,925.96 : x - Step 2: Convert to fraction form
405,408.84/608,178.58 = 124,925.96/x - Step 3: Cross multiply
405,408.84x = 608,178.58 × 124,925.96 - Step 4: Simplify right side
405,408.84x = 75,977,292,957.94 - Step 5: Solve for x
x = 75,977,292,957.94/405,408.84 - Step 6: Final answer
x = 187,409.07
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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.