Finding the Fourth Proportional to 353,534.42, 530,302.75 and 87,294.98
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Solution
The fourth proportional to 353,534.42, 530,302.75 and 87,294.98 is: 130,942.75
Step by Step Solution
- Step 1: Write the proportion equation
353,534.42 : 530,302.75 = 87,294.98 : x - Step 2: Convert to fraction form
353,534.42/530,302.75 = 87,294.98/x - Step 3: Cross multiply
353,534.42x = 530,302.75 × 87,294.98 - Step 4: Simplify right side
353,534.42x = 46,292,769,062.71 - Step 5: Solve for x
x = 46,292,769,062.71/353,534.42 - Step 6: Final answer
x = 130,942.75
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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.