Finding the Fourth Proportional to 513,376.08, 708,174.58 and 298,492.40
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Solution
The fourth proportional to 513,376.08, 708,174.58 and 298,492.40 is: 411,754.15
Step by Step Solution
- Step 1: Write the proportion equation
513,376.08 : 708,174.58 = 298,492.40 : x - Step 2: Convert to fraction form
513,376.08/708,174.58 = 298,492.40/x - Step 3: Cross multiply
513,376.08x = 708,174.58 × 298,492.40 - Step 4: Simplify right side
513,376.08x = 211,384,730,003.19 - Step 5: Solve for x
x = 211,384,730,003.19/513,376.08 - Step 6: Final answer
x = 411,754.15
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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.