Finding the Fourth Proportional to 291,487.16, 402,437.98 and 237,899.96
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Solution
The fourth proportional to 291,487.16, 402,437.98 and 237,899.96 is: 328,453.50
Step by Step Solution
- Step 1: Write the proportion equation
291,487.16 : 402,437.98 = 237,899.96 : x - Step 2: Convert to fraction form
291,487.16/402,437.98 = 237,899.96/x - Step 3: Cross multiply
291,487.16x = 402,437.98 × 237,899.96 - Step 4: Simplify right side
291,487.16x = 95,739,979,344.48 - Step 5: Solve for x
x = 95,739,979,344.48/291,487.16 - Step 6: Final answer
x = 328,453.50
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1.5x scale
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.