Finding the Fourth Proportional to 512,486.19, 768,802.79 and 157,530.02
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Solution
The fourth proportional to 512,486.19, 768,802.79 and 157,530.02 is: 236,317.62
Step by Step Solution
- Step 1: Write the proportion equation
512,486.19 : 768,802.79 = 157,530.02 : x - Step 2: Convert to fraction form
512,486.19/768,802.79 = 157,530.02/x - Step 3: Cross multiply
512,486.19x = 768,802.79 × 157,530.02 - Step 4: Simplify right side
512,486.19x = 121,109,515,434.57 - Step 5: Solve for x
x = 121,109,515,434.57/512,486.19 - Step 6: Final answer
x = 236,317.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.