Finding the Fourth Proportional to 202,953.04, 280,089.24 and 112,312.84
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Solution
The fourth proportional to 202,953.04, 280,089.24 and 112,312.84 is: 154,999.49
Step by Step Solution
- Step 1: Write the proportion equation
202,953.04 : 280,089.24 = 112,312.84 : x - Step 2: Convert to fraction form
202,953.04/280,089.24 = 112,312.84/x - Step 3: Cross multiply
202,953.04x = 280,089.24 × 112,312.84 - Step 4: Simplify right side
202,953.04x = 31,457,617,997.84 - Step 5: Solve for x
x = 31,457,617,997.84/202,953.04 - Step 6: Final answer
x = 154,999.49
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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.