Finding the Fourth Proportional to 473,059.60, 709,702.80 and 157,519.36
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Solution
The fourth proportional to 473,059.60, 709,702.80 and 157,519.36 is: 236,316.80
Step by Step Solution
- Step 1: Write the proportion equation
473,059.60 : 709,702.80 = 157,519.36 : x - Step 2: Convert to fraction form
473,059.60/709,702.80 = 157,519.36/x - Step 3: Cross multiply
473,059.60x = 709,702.80 × 157,519.36 - Step 4: Simplify right side
473,059.60x = 111,791,930,846.21 - Step 5: Solve for x
x = 111,791,930,846.21/473,059.60 - Step 6: Final answer
x = 236,316.80
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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.