Finding the Fourth Proportional to 408,630.94, 563,988.36 and 255,740.20
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Solution
The fourth proportional to 408,630.94, 563,988.36 and 255,740.20 is: 352,970.08
Step by Step Solution
- Step 1: Write the proportion equation
408,630.94 : 563,988.36 = 255,740.20 : x - Step 2: Convert to fraction form
408,630.94/563,988.36 = 255,740.20/x - Step 3: Cross multiply
408,630.94x = 563,988.36 × 255,740.20 - Step 4: Simplify right side
408,630.94x = 144,234,495,984.07 - Step 5: Solve for x
x = 144,234,495,984.07/408,630.94 - Step 6: Final answer
x = 352,970.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.