Finding the Fourth Proportional to 155,280.15, 232,920.23 and 102,136.05
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Solution
The fourth proportional to 155,280.15, 232,920.23 and 102,136.05 is: 153,204.08
Step by Step Solution
- Step 1: Write the proportion equation
155,280.15 : 232,920.23 = 102,136.05 : x - Step 2: Convert to fraction form
155,280.15/232,920.23 = 102,136.05/x - Step 3: Cross multiply
155,280.15x = 232,920.23 × 102,136.05 - Step 4: Simplify right side
155,280.15x = 23,789,551,746.61 - Step 5: Solve for x
x = 23,789,551,746.61/155,280.15 - Step 6: Final answer
x = 153,204.08
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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.