Finding the Fourth Proportional to 101,439.84, 152,050.48 and 42,259.68
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Solution
The fourth proportional to 101,439.84, 152,050.48 and 42,259.68 is: 63,343.99
Step by Step Solution
- Step 1: Write the proportion equation
101,439.84 : 152,050.48 = 42,259.68 : x - Step 2: Convert to fraction form
101,439.84/152,050.48 = 42,259.68/x - Step 3: Cross multiply
101,439.84x = 152,050.48 × 42,259.68 - Step 4: Simplify right side
101,439.84x = 6,425,604,628.65 - Step 5: Solve for x
x = 6,425,604,628.65/101,439.84 - Step 6: Final answer
x = 63,343.99
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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.