Finding the Fourth Proportional to 526,135.60, 788,555.40 and 357,655.60
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Solution
The fourth proportional to 526,135.60, 788,555.40 and 357,655.60 is: 536,042.90
Step by Step Solution
- Step 1: Write the proportion equation
526,135.60 : 788,555.40 = 357,655.60 : x - Step 2: Convert to fraction form
526,135.60/788,555.40 = 357,655.60/x - Step 3: Cross multiply
526,135.60x = 788,555.40 × 357,655.60 - Step 4: Simplify right side
526,135.60x = 282,031,254,720.24 - Step 5: Solve for x
x = 282,031,254,720.24/526,135.60 - Step 6: Final answer
x = 536,042.90
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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.