Finding the Fourth Proportional to 291,336.84, 402,044.40 and 164,053.44
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Solution
The fourth proportional to 291,336.84, 402,044.40 and 164,053.44 is: 226,393.50
Step by Step Solution
- Step 1: Write the proportion equation
291,336.84 : 402,044.40 = 164,053.44 : x - Step 2: Convert to fraction form
291,336.84/402,044.40 = 164,053.44/x - Step 3: Cross multiply
291,336.84x = 402,044.40 × 164,053.44 - Step 4: Simplify right side
291,336.84x = 65,956,766,852.74 - Step 5: Solve for x
x = 65,956,766,852.74/291,336.84 - Step 6: Final answer
x = 226,393.50
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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.