Finding the Fourth Proportional to 268,547.65, 370,588.36 and 147,688.94
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Solution
The fourth proportional to 268,547.65, 370,588.36 and 147,688.94 is: 203,806.66
Step by Step Solution
- Step 1: Write the proportion equation
268,547.65 : 370,588.36 = 147,688.94 : x - Step 2: Convert to fraction form
268,547.65/370,588.36 = 147,688.94/x - Step 3: Cross multiply
268,547.65x = 370,588.36 × 147,688.94 - Step 4: Simplify right side
268,547.65x = 54,731,800,769.05 - Step 5: Solve for x
x = 54,731,800,769.05/268,547.65 - Step 6: Final answer
x = 203,806.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.