Finding the Fourth Proportional to 570,130.72, 854,955.20 and 170,828.08
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Solution
The fourth proportional to 570,130.72, 854,955.20 and 170,828.08 is: 256,169.95
Step by Step Solution
- Step 1: Write the proportion equation
570,130.72 : 854,955.20 = 170,828.08 : x - Step 2: Convert to fraction form
570,130.72/854,955.20 = 170,828.08/x - Step 3: Cross multiply
570,130.72x = 854,955.20 × 170,828.08 - Step 4: Simplify right side
570,130.72x = 146,050,355,302.02 - Step 5: Solve for x
x = 146,050,355,302.02/570,130.72 - Step 6: Final answer
x = 256,169.95
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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.