Finding the Fourth Proportional to 573,430.20, 860,248.80 and 236,286.60
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Solution
The fourth proportional to 573,430.20, 860,248.80 and 236,286.60 is: 354,472.55
Step by Step Solution
- Step 1: Write the proportion equation
573,430.20 : 860,248.80 = 236,286.60 : x - Step 2: Convert to fraction form
573,430.20/860,248.80 = 236,286.60/x - Step 3: Cross multiply
573,430.20x = 860,248.80 × 236,286.60 - Step 4: Simplify right side
573,430.20x = 203,265,264,106.08 - Step 5: Solve for x
x = 203,265,264,106.08/573,430.20 - Step 6: Final answer
x = 354,472.55
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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.