Finding the Fourth Proportional to 487,968.96, 731,878.56 and 133,011.44
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Solution
The fourth proportional to 487,968.96, 731,878.56 and 133,011.44 is: 199,496.75
Step by Step Solution
- Step 1: Write the proportion equation
487,968.96 : 731,878.56 = 133,011.44 : x - Step 2: Convert to fraction form
487,968.96/731,878.56 = 133,011.44/x - Step 3: Cross multiply
487,968.96x = 731,878.56 × 133,011.44 - Step 4: Simplify right side
487,968.96x = 97,348,221,170.73 - Step 5: Solve for x
x = 97,348,221,170.73/487,968.96 - Step 6: Final answer
x = 199,496.75
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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.