Finding the Fourth Proportional to 157,828.84, 236,764.69 and 51,178.02
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Solution
The fourth proportional to 157,828.84, 236,764.69 and 51,178.02 is: 76,773.98
Step by Step Solution
- Step 1: Write the proportion equation
157,828.84 : 236,764.69 = 51,178.02 : x - Step 2: Convert to fraction form
157,828.84/236,764.69 = 51,178.02/x - Step 3: Cross multiply
157,828.84x = 236,764.69 × 51,178.02 - Step 4: Simplify right side
157,828.84x = 12,117,148,040.11 - Step 5: Solve for x
x = 12,117,148,040.11/157,828.84 - Step 6: Final answer
x = 76,773.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.