Finding the Fourth Proportional to 101,305.74, 151,953.09 and 51,384.53
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Solution
The fourth proportional to 101,305.74, 151,953.09 and 51,384.53 is: 77,073.99
Step by Step Solution
- Step 1: Write the proportion equation
101,305.74 : 151,953.09 = 51,384.53 : x - Step 2: Convert to fraction form
101,305.74/151,953.09 = 51,384.53/x - Step 3: Cross multiply
101,305.74x = 151,953.09 × 51,384.53 - Step 4: Simplify right side
101,305.74x = 7,808,037,588.67 - Step 5: Solve for x
x = 7,808,037,588.67/101,305.74 - Step 6: Final answer
x = 77,073.99
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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.