Finding the Fourth Proportional to 291,386.64, 437,482.40 and 201,217.72
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Solution
The fourth proportional to 291,386.64, 437,482.40 and 201,217.72 is: 302,104.49
Step by Step Solution
- Step 1: Write the proportion equation
291,386.64 : 437,482.40 = 201,217.72 : x - Step 2: Convert to fraction form
291,386.64/437,482.40 = 201,217.72/x - Step 3: Cross multiply
291,386.64x = 437,482.40 × 201,217.72 - Step 4: Simplify right side
291,386.64x = 88,029,211,068.13 - Step 5: Solve for x
x = 88,029,211,068.13/291,386.64 - Step 6: Final answer
x = 302,104.49
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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.