Finding the Fourth Proportional to 583,445.09, 805,153.02 and 315,173.09
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Solution
The fourth proportional to 583,445.09, 805,153.02 and 315,173.09 is: 434,938.21
Step by Step Solution
- Step 1: Write the proportion equation
583,445.09 : 805,153.02 = 315,173.09 : x - Step 2: Convert to fraction form
583,445.09/805,153.02 = 315,173.09/x - Step 3: Cross multiply
583,445.09x = 805,153.02 × 315,173.09 - Step 4: Simplify right side
583,445.09x = 253,762,565,236.23 - Step 5: Solve for x
x = 253,762,565,236.23/583,445.09 - Step 6: Final answer
x = 434,938.21
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.