Finding the Fourth Proportional to 353,181.15, 530,007.30 and 128,541.53
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Solution
The fourth proportional to 353,181.15, 530,007.30 and 128,541.53 is: 192,898.03
Step by Step Solution
- Step 1: Write the proportion equation
353,181.15 : 530,007.30 = 128,541.53 : x - Step 2: Convert to fraction form
353,181.15/530,007.30 = 128,541.53/x - Step 3: Cross multiply
353,181.15x = 530,007.30 × 128,541.53 - Step 4: Simplify right side
353,181.15x = 68,127,946,603.13 - Step 5: Solve for x
x = 68,127,946,603.13/353,181.15 - Step 6: Final answer
x = 192,898.03
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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.