Finding the Fourth Proportional to 268,547.18, 370,587.70 and 147,688.45
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Solution
The fourth proportional to 268,547.18, 370,587.70 and 147,688.45 is: 203,805.99
Step by Step Solution
- Step 1: Write the proportion equation
268,547.18 : 370,587.70 = 147,688.45 : x - Step 2: Convert to fraction form
268,547.18/370,587.70 = 147,688.45/x - Step 3: Cross multiply
268,547.18x = 370,587.70 × 147,688.45 - Step 4: Simplify right side
268,547.18x = 54,731,522,632.84 - Step 5: Solve for x
x = 54,731,522,632.84/268,547.18 - Step 6: Final answer
x = 203,805.99
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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.