Finding the Fourth Proportional to 268,001.16, 401,479.08 and 149,315.08
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Solution
The fourth proportional to 268,001.16, 401,479.08 and 149,315.08 is: 223,681.42
Step by Step Solution
- Step 1: Write the proportion equation
268,001.16 : 401,479.08 = 149,315.08 : x - Step 2: Convert to fraction form
268,001.16/401,479.08 = 149,315.08/x - Step 3: Cross multiply
268,001.16x = 401,479.08 × 149,315.08 - Step 4: Simplify right side
268,001.16x = 59,946,880,948.53 - Step 5: Solve for x
x = 59,946,880,948.53/268,001.16 - Step 6: Final answer
x = 223,681.42
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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.