Finding the Fourth Proportional to 435,421.68, 653,156.82 and 135,943.62
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Solution
The fourth proportional to 435,421.68, 653,156.82 and 135,943.62 is: 203,923.02
Step by Step Solution
- Step 1: Write the proportion equation
435,421.68 : 653,156.82 = 135,943.62 : x - Step 2: Convert to fraction form
435,421.68/653,156.82 = 135,943.62/x - Step 3: Cross multiply
435,421.68x = 653,156.82 × 135,943.62 - Step 4: Simplify right side
435,421.68x = 88,792,502,538.49 - Step 5: Solve for x
x = 88,792,502,538.49/435,421.68 - Step 6: Final answer
x = 203,923.02
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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.