Finding the Fourth Proportional to 461,225.10, 636,248.61 and 375,280.05
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Solution
The fourth proportional to 461,225.10, 636,248.61 and 375,280.05 is: 517,689.54
Step by Step Solution
- Step 1: Write the proportion equation
461,225.10 : 636,248.61 = 375,280.05 : x - Step 2: Convert to fraction form
461,225.10/636,248.61 = 375,280.05/x - Step 3: Cross multiply
461,225.10x = 636,248.61 × 375,280.05 - Step 4: Simplify right side
461,225.10x = 238,771,410,173.23 - Step 5: Solve for x
x = 238,771,410,173.23/461,225.10 - Step 6: Final answer
x = 517,689.54
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1.5x scale
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.