Finding the Fourth Proportional to 298,726.08, 447,866.64 and 130,214.40
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Solution
The fourth proportional to 298,726.08, 447,866.64 and 130,214.40 is: 195,224.62
Step by Step Solution
- Step 1: Write the proportion equation
298,726.08 : 447,866.64 = 130,214.40 : x - Step 2: Convert to fraction form
298,726.08/447,866.64 = 130,214.40/x - Step 3: Cross multiply
298,726.08x = 447,866.64 × 130,214.40 - Step 4: Simplify right side
298,726.08x = 58,318,685,807.62 - Step 5: Solve for x
x = 58,318,685,807.62/298,726.08 - Step 6: Final answer
x = 195,224.62
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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.