Finding the Fourth Proportional to 218,536.02, 301,612.95 and 157,484.70
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Solution
The fourth proportional to 218,536.02, 301,612.95 and 157,484.70 is: 217,352.84
Step by Step Solution
- Step 1: Write the proportion equation
218,536.02 : 301,612.95 = 157,484.70 : x - Step 2: Convert to fraction form
218,536.02/301,612.95 = 157,484.70/x - Step 3: Cross multiply
218,536.02x = 301,612.95 × 157,484.70 - Step 4: Simplify right side
218,536.02x = 47,499,424,946.87 - Step 5: Solve for x
x = 47,499,424,946.87/218,536.02 - Step 6: Final answer
x = 217,352.84
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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.