Finding the Fourth Proportional to 453,030.70, 680,070.99 and 243,078.70
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Solution
The fourth proportional to 453,030.70, 680,070.99 and 243,078.70 is: 364,899.71
Step by Step Solution
- Step 1: Write the proportion equation
453,030.70 : 680,070.99 = 243,078.70 : x - Step 2: Convert to fraction form
453,030.70/680,070.99 = 243,078.70/x - Step 3: Cross multiply
453,030.70x = 680,070.99 × 243,078.70 - Step 4: Simplify right side
453,030.70x = 165,310,772,156.91 - Step 5: Solve for x
x = 165,310,772,156.91/453,030.70 - Step 6: Final answer
x = 364,899.71
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1.5x scale
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.