Finding the Fourth Proportional to 413,368.80, 620,110.80 and 176,709.60
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Solution
The fourth proportional to 413,368.80, 620,110.80 and 176,709.60 is: 265,089.02
Step by Step Solution
- Step 1: Write the proportion equation
413,368.80 : 620,110.80 = 176,709.60 : x - Step 2: Convert to fraction form
413,368.80/620,110.80 = 176,709.60/x - Step 3: Cross multiply
413,368.80x = 620,110.80 × 176,709.60 - Step 4: Simplify right side
413,368.80x = 109,579,531,423.68 - Step 5: Solve for x
x = 109,579,531,423.68/413,368.80 - Step 6: Final answer
x = 265,089.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.