Finding the Fourth Proportional to 277,294.74, 415,909.98 and 77,631.09
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Solution
The fourth proportional to 277,294.74, 415,909.98 and 77,631.09 is: 116,437.64
Step by Step Solution
- Step 1: Write the proportion equation
277,294.74 : 415,909.98 = 77,631.09 : x - Step 2: Convert to fraction form
277,294.74/415,909.98 = 77,631.09/x - Step 3: Cross multiply
277,294.74x = 415,909.98 × 77,631.09 - Step 4: Simplify right side
277,294.74x = 32,287,545,089.28 - Step 5: Solve for x
x = 32,287,545,089.28/277,294.74 - Step 6: Final answer
x = 116,437.64
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1.5x scale
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.