Finding the Fourth Proportional to 570,808.60, 855,615.12 and 191,636.26
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Solution
The fourth proportional to 570,808.60, 855,615.12 and 191,636.26 is: 287,253.70
Step by Step Solution
- Step 1: Write the proportion equation
570,808.60 : 855,615.12 = 191,636.26 : x - Step 2: Convert to fraction form
570,808.60/855,615.12 = 191,636.26/x - Step 3: Cross multiply
570,808.60x = 855,615.12 × 191,636.26 - Step 4: Simplify right side
570,808.60x = 163,966,881,596.25 - Step 5: Solve for x
x = 163,966,881,596.25/570,808.60 - Step 6: Final answer
x = 287,253.70
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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.