Finding the Fourth Proportional to 258,468.08, 356,702.28 and 145,298.12
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Solution
The fourth proportional to 258,468.08, 356,702.28 and 145,298.12 is: 200,520.59
Step by Step Solution
- Step 1: Write the proportion equation
258,468.08 : 356,702.28 = 145,298.12 : x - Step 2: Convert to fraction form
258,468.08/356,702.28 = 145,298.12/x - Step 3: Cross multiply
258,468.08x = 356,702.28 × 145,298.12 - Step 4: Simplify right side
258,468.08x = 51,828,170,683.71 - Step 5: Solve for x
x = 51,828,170,683.71/258,468.08 - Step 6: Final answer
x = 200,520.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.