Finding the Fourth Proportional to 554,588.98, 831,819.21 and 155,261.68
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Solution
The fourth proportional to 554,588.98, 831,819.21 and 155,261.68 is: 232,874.53
Step by Step Solution
- Step 1: Write the proportion equation
554,588.98 : 831,819.21 = 155,261.68 : x - Step 2: Convert to fraction form
554,588.98/831,819.21 = 155,261.68/x - Step 3: Cross multiply
554,588.98x = 831,819.21 × 155,261.68 - Step 4: Simplify right side
554,588.98x = 129,149,648,000.87 - Step 5: Solve for x
x = 129,149,648,000.87/554,588.98 - Step 6: Final answer
x = 232,874.53
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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.