Finding the Fourth Proportional to 215,782.84, 323,776.98 and 97,490.36
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Solution
The fourth proportional to 215,782.84, 323,776.98 and 97,490.36 is: 146,281.95
Step by Step Solution
- Step 1: Write the proportion equation
215,782.84 : 323,776.98 = 97,490.36 : x - Step 2: Convert to fraction form
215,782.84/323,776.98 = 97,490.36/x - Step 3: Cross multiply
215,782.84x = 323,776.98 × 97,490.36 - Step 4: Simplify right side
215,782.84x = 31,565,134,339.91 - Step 5: Solve for x
x = 31,565,134,339.91/215,782.84 - Step 6: Final answer
x = 146,281.95
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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.