Finding the Fourth Proportional to 510,138.19, 704,051.36 and 292,424.77
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Solution
The fourth proportional to 510,138.19, 704,051.36 and 292,424.77 is: 403,580.95
Step by Step Solution
- Step 1: Write the proportion equation
510,138.19 : 704,051.36 = 292,424.77 : x - Step 2: Convert to fraction form
510,138.19/704,051.36 = 292,424.77/x - Step 3: Cross multiply
510,138.19x = 704,051.36 × 292,424.77 - Step 4: Simplify right side
510,138.19x = 205,882,057,016.19 - Step 5: Solve for x
x = 205,882,057,016.19/510,138.19 - Step 6: Final answer
x = 403,580.95
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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.