Finding the Fourth Proportional to 378,484.50, 567,726.84 and 153,967.08
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Solution
The fourth proportional to 378,484.50, 567,726.84 and 153,967.08 is: 230,950.66
Step by Step Solution
- Step 1: Write the proportion equation
378,484.50 : 567,726.84 = 153,967.08 : x - Step 2: Convert to fraction form
378,484.50/567,726.84 = 153,967.08/x - Step 3: Cross multiply
378,484.50x = 567,726.84 × 153,967.08 - Step 4: Simplify right side
378,484.50x = 87,411,243,792.43 - Step 5: Solve for x
x = 87,411,243,792.43/378,484.50 - Step 6: Final answer
x = 230,950.66
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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.