Finding the Fourth Proportional to 403,239.63, 604,861.03 and 163,358.07
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Solution
The fourth proportional to 403,239.63, 604,861.03 and 163,358.07 is: 245,037.75
Step by Step Solution
- Step 1: Write the proportion equation
403,239.63 : 604,861.03 = 163,358.07 : x - Step 2: Convert to fraction form
403,239.63/604,861.03 = 163,358.07/x - Step 3: Cross multiply
403,239.63x = 604,861.03 × 163,358.07 - Step 4: Simplify right side
403,239.63x = 98,808,930,683.21 - Step 5: Solve for x
x = 98,808,930,683.21/403,239.63 - Step 6: Final answer
x = 245,037.75
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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.