Finding the Fourth Proportional to 423,085.32, 634,031.30 and 233,630.99
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Solution
The fourth proportional to 423,085.32, 634,031.30 and 233,630.99 is: 350,116.98
Step by Step Solution
- Step 1: Write the proportion equation
423,085.32 : 634,031.30 = 233,630.99 : x - Step 2: Convert to fraction form
423,085.32/634,031.30 = 233,630.99/x - Step 3: Cross multiply
423,085.32x = 634,031.30 × 233,630.99 - Step 4: Simplify right side
423,085.32x = 148,129,355,971.68 - Step 5: Solve for x
x = 148,129,355,971.68/423,085.32 - Step 6: Final answer
x = 350,116.98
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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.