Finding the Fourth Proportional to 447,374.88, 617,402.88 and 256,420.08
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Solution
The fourth proportional to 447,374.88, 617,402.88 and 256,420.08 is: 353,874.35
Step by Step Solution
- Step 1: Write the proportion equation
447,374.88 : 617,402.88 = 256,420.08 : x - Step 2: Convert to fraction form
447,374.88/617,402.88 = 256,420.08/x - Step 3: Cross multiply
447,374.88x = 617,402.88 × 256,420.08 - Step 4: Simplify right side
447,374.88x = 158,314,495,881.83 - Step 5: Solve for x
x = 158,314,495,881.83/447,374.88 - Step 6: Final answer
x = 353,874.35
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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.