Finding the Fourth Proportional to 156,528.99, 234,793.44 and 77,698.53
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Solution
The fourth proportional to 156,528.99, 234,793.44 and 77,698.53 is: 116,547.77
Step by Step Solution
- Step 1: Write the proportion equation
156,528.99 : 234,793.44 = 77,698.53 : x - Step 2: Convert to fraction form
156,528.99/234,793.44 = 77,698.53/x - Step 3: Cross multiply
156,528.99x = 234,793.44 × 77,698.53 - Step 4: Simplify right side
156,528.99x = 18,243,105,141.64 - Step 5: Solve for x
x = 18,243,105,141.64/156,528.99 - Step 6: Final answer
x = 116,547.77
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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.