Finding the Fourth Proportional to 302,956.18, 454,538.08 and 103,416.70
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Solution
The fourth proportional to 302,956.18, 454,538.08 and 103,416.70 is: 155,160.49
Step by Step Solution
- Step 1: Write the proportion equation
302,956.18 : 454,538.08 = 103,416.70 : x - Step 2: Convert to fraction form
302,956.18/454,538.08 = 103,416.70/x - Step 3: Cross multiply
302,956.18x = 454,538.08 × 103,416.70 - Step 4: Simplify right side
302,956.18x = 47,006,828,257.94 - Step 5: Solve for x
x = 47,006,828,257.94/302,956.18 - Step 6: Final answer
x = 155,160.49
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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.