Finding the Fourth Proportional to 156,987.45, 235,437.98 and 63,502.65
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Solution
The fourth proportional to 156,987.45, 235,437.98 and 63,502.65 is: 95,236.50
Step by Step Solution
- Step 1: Write the proportion equation
156,987.45 : 235,437.98 = 63,502.65 : x - Step 2: Convert to fraction form
156,987.45/235,437.98 = 63,502.65/x - Step 3: Cross multiply
156,987.45x = 235,437.98 × 63,502.65 - Step 4: Simplify right side
156,987.45x = 14,950,935,323.13 - Step 5: Solve for x
x = 14,950,935,323.13/156,987.45 - Step 6: Final answer
x = 95,236.50
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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.