Finding the Fourth Proportional to 253,456.41, 349,746.15 and 151,461.63
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Solution
The fourth proportional to 253,456.41, 349,746.15 and 151,461.63 is: 209,002.89
Step by Step Solution
- Step 1: Write the proportion equation
253,456.41 : 349,746.15 = 151,461.63 : x - Step 2: Convert to fraction form
253,456.41/349,746.15 = 151,461.63/x - Step 3: Cross multiply
253,456.41x = 349,746.15 × 151,461.63 - Step 4: Simplify right side
253,456.41x = 52,973,121,965.22 - Step 5: Solve for x
x = 52,973,121,965.22/253,456.41 - Step 6: Final answer
x = 209,002.89
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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.