Finding the Fourth Proportional to 342,772.84, 514,183.74 and 106,085.08
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Solution
The fourth proportional to 342,772.84, 514,183.74 and 106,085.08 is: 159,135.20
Step by Step Solution
- Step 1: Write the proportion equation
342,772.84 : 514,183.74 = 106,085.08 : x - Step 2: Convert to fraction form
342,772.84/514,183.74 = 106,085.08/x - Step 3: Cross multiply
342,772.84x = 514,183.74 × 106,085.08 - Step 4: Simplify right side
342,772.84x = 54,547,223,192.60 - Step 5: Solve for x
x = 54,547,223,192.60/342,772.84 - Step 6: Final answer
x = 159,135.20
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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.