Finding the Fourth Proportional to 344,699.36, 517,045.12 and 134,484.92
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Solution
The fourth proportional to 344,699.36, 517,045.12 and 134,484.92 is: 201,725.85
Step by Step Solution
- Step 1: Write the proportion equation
344,699.36 : 517,045.12 = 134,484.92 : x - Step 2: Convert to fraction form
344,699.36/517,045.12 = 134,484.92/x - Step 3: Cross multiply
344,699.36x = 517,045.12 × 134,484.92 - Step 4: Simplify right side
344,699.36x = 69,534,771,599.59 - Step 5: Solve for x
x = 69,534,771,599.59/344,699.36 - Step 6: Final answer
x = 201,725.85
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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.