Finding the Fourth Proportional to 168,931.18, 253,374.90 and 56,584.99
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Solution
The fourth proportional to 168,931.18, 253,374.90 and 56,584.99 is: 84,870.16
Step by Step Solution
- Step 1: Write the proportion equation
168,931.18 : 253,374.90 = 56,584.99 : x - Step 2: Convert to fraction form
168,931.18/253,374.90 = 56,584.99/x - Step 3: Cross multiply
168,931.18x = 253,374.90 × 56,584.99 - Step 4: Simplify right side
168,931.18x = 14,337,216,182.75 - Step 5: Solve for x
x = 14,337,216,182.75/168,931.18 - Step 6: Final answer
x = 84,870.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.