Finding the Fourth Proportional to 312,280.36, 468,495.18 and 101,918.68
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Solution
The fourth proportional to 312,280.36, 468,495.18 and 101,918.68 is: 152,902.38
Step by Step Solution
- Step 1: Write the proportion equation
312,280.36 : 468,495.18 = 101,918.68 : x - Step 2: Convert to fraction form
312,280.36/468,495.18 = 101,918.68/x - Step 3: Cross multiply
312,280.36x = 468,495.18 × 101,918.68 - Step 4: Simplify right side
312,280.36x = 47,748,410,331.96 - Step 5: Solve for x
x = 47,748,410,331.96/312,280.36 - Step 6: Final answer
x = 152,902.38
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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.