Finding the Fourth Proportional to 517,130.58, 775,695.93 and 162,175.62
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Solution
The fourth proportional to 517,130.58, 775,695.93 and 162,175.62 is: 243,263.45
Step by Step Solution
- Step 1: Write the proportion equation
517,130.58 : 775,695.93 = 162,175.62 : x - Step 2: Convert to fraction form
517,130.58/775,695.93 = 162,175.62/x - Step 3: Cross multiply
517,130.58x = 775,695.93 × 162,175.62 - Step 4: Simplify right side
517,130.58x = 125,798,968,379.23 - Step 5: Solve for x
x = 125,798,968,379.23/517,130.58 - Step 6: Final answer
x = 243,263.45
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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.