Finding the Fourth Proportional to 576,079.34, 864,118.86 and 155,355.08
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Solution
The fourth proportional to 576,079.34, 864,118.86 and 155,355.08 is: 233,032.58
Step by Step Solution
- Step 1: Write the proportion equation
576,079.34 : 864,118.86 = 155,355.08 : x - Step 2: Convert to fraction form
576,079.34/864,118.86 = 155,355.08/x - Step 3: Cross multiply
576,079.34x = 864,118.86 × 155,355.08 - Step 4: Simplify right side
576,079.34x = 134,245,254,624.81 - Step 5: Solve for x
x = 134,245,254,624.81/576,079.34 - Step 6: Final answer
x = 233,032.58
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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.