Finding the Fourth Proportional to 472,679.02, 652,299.08 and 257,823.70
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Solution
The fourth proportional to 472,679.02, 652,299.08 and 257,823.70 is: 355,797.81
Step by Step Solution
- Step 1: Write the proportion equation
472,679.02 : 652,299.08 = 257,823.70 : x - Step 2: Convert to fraction form
472,679.02/652,299.08 = 257,823.70/x - Step 3: Cross multiply
472,679.02x = 652,299.08 × 257,823.70 - Step 4: Simplify right side
472,679.02x = 168,178,162,312.20 - Step 5: Solve for x
x = 168,178,162,312.20/472,679.02 - Step 6: Final answer
x = 355,797.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.