Finding the Fourth Proportional to 578,998.24, 868,469.55 and 158,275.06
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Solution
The fourth proportional to 578,998.24, 868,469.55 and 158,275.06 is: 237,404.99
Step by Step Solution
- Step 1: Write the proportion equation
578,998.24 : 868,469.55 = 158,275.06 : x - Step 2: Convert to fraction form
578,998.24/868,469.55 = 158,275.06/x - Step 3: Cross multiply
578,998.24x = 868,469.55 × 158,275.06 - Step 4: Simplify right side
578,998.24x = 137,457,070,134.42 - Step 5: Solve for x
x = 137,457,070,134.42/578,998.24 - Step 6: Final answer
x = 237,404.99
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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.