Finding the Fourth Proportional to 152,328.24, 210,206.07 and 84,340.44
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Solution
The fourth proportional to 152,328.24, 210,206.07 and 84,340.44 is: 116,385.99
Step by Step Solution
- Step 1: Write the proportion equation
152,328.24 : 210,206.07 = 84,340.44 : x - Step 2: Convert to fraction form
152,328.24/210,206.07 = 84,340.44/x - Step 3: Cross multiply
152,328.24x = 210,206.07 × 84,340.44 - Step 4: Simplify right side
152,328.24x = 17,728,872,434.47 - Step 5: Solve for x
x = 17,728,872,434.47/152,328.24 - Step 6: Final answer
x = 116,385.99
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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.