Finding the Fourth Proportional to 253,456.79, 349,746.66 and 151,461.99
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Solution
The fourth proportional to 253,456.79, 349,746.66 and 151,461.99 is: 209,003.38
Step by Step Solution
- Step 1: Write the proportion equation
253,456.79 : 349,746.66 = 151,461.99 : x - Step 2: Convert to fraction form
253,456.79/349,746.66 = 151,461.99/x - Step 3: Cross multiply
253,456.79x = 349,746.66 × 151,461.99 - Step 4: Simplify right side
253,456.79x = 52,973,325,119.45 - Step 5: Solve for x
x = 52,973,325,119.45/253,456.79 - Step 6: Final answer
x = 209,003.38
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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.