Finding the Fourth Proportional to 366,623.20, 549,278.70 and 314,135.20
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Solution
The fourth proportional to 366,623.20, 549,278.70 and 314,135.20 is: 470,640.63
Step by Step Solution
- Step 1: Write the proportion equation
366,623.20 : 549,278.70 = 314,135.20 : x - Step 2: Convert to fraction form
366,623.20/549,278.70 = 314,135.20/x - Step 3: Cross multiply
366,623.20x = 549,278.70 × 314,135.20 - Step 4: Simplify right side
366,623.20x = 172,547,774,280.24 - Step 5: Solve for x
x = 172,547,774,280.24/366,623.20 - Step 6: Final answer
x = 470,640.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.