Finding the Fourth Proportional to 291,822.04, 402,748.81 and 162,780.84
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Solution
The fourth proportional to 291,822.04, 402,748.81 and 162,780.84 is: 224,656.74
Step by Step Solution
- Step 1: Write the proportion equation
291,822.04 : 402,748.81 = 162,780.84 : x - Step 2: Convert to fraction form
291,822.04/402,748.81 = 162,780.84/x - Step 3: Cross multiply
291,822.04x = 402,748.81 × 162,780.84 - Step 4: Simplify right side
291,822.04x = 65,559,789,193.85 - Step 5: Solve for x
x = 65,559,789,193.85/291,822.04 - Step 6: Final answer
x = 224,656.74
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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.