Finding the Fourth Proportional to 134,813.60, 202,220.40 and 46,045.70
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Solution
The fourth proportional to 134,813.60, 202,220.40 and 46,045.70 is: 69,068.55
Step by Step Solution
- Step 1: Write the proportion equation
134,813.60 : 202,220.40 = 46,045.70 : x - Step 2: Convert to fraction form
134,813.60/202,220.40 = 46,045.70/x - Step 3: Cross multiply
134,813.60x = 202,220.40 × 46,045.70 - Step 4: Simplify right side
134,813.60x = 9,311,379,872.28 - Step 5: Solve for x
x = 9,311,379,872.28/134,813.60 - Step 6: Final answer
x = 69,068.55
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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.