Finding the Fourth Proportional to 381,675.70, 572,513.55 and 97,365.70
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Solution
The fourth proportional to 381,675.70, 572,513.55 and 97,365.70 is: 146,048.55
Step by Step Solution
- Step 1: Write the proportion equation
381,675.70 : 572,513.55 = 97,365.70 : x - Step 2: Convert to fraction form
381,675.70/572,513.55 = 97,365.70/x - Step 3: Cross multiply
381,675.70x = 572,513.55 × 97,365.70 - Step 4: Simplify right side
381,675.70x = 55,743,182,555.24 - Step 5: Solve for x
x = 55,743,182,555.24/381,675.70 - Step 6: Final answer
x = 146,048.55
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1.5x scale
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.