Finding the Fourth Proportional to 573,208.40, 860,152.80 and 218,258.30
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Solution
The fourth proportional to 573,208.40, 860,152.80 and 218,258.30 is: 327,516.99
Step by Step Solution
- Step 1: Write the proportion equation
573,208.40 : 860,152.80 = 218,258.30 : x - Step 2: Convert to fraction form
573,208.40/860,152.80 = 218,258.30/x - Step 3: Cross multiply
573,208.40x = 860,152.80 × 218,258.30 - Step 4: Simplify right side
573,208.40x = 187,735,487,868.24 - Step 5: Solve for x
x = 187,735,487,868.24/573,208.40 - Step 6: Final answer
x = 327,516.99
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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.