Finding the Fourth Proportional to 245,652.95, 368,483.99 and 77,170.12
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Solution
The fourth proportional to 245,652.95, 368,483.99 and 77,170.12 is: 115,756.61
Step by Step Solution
- Step 1: Write the proportion equation
245,652.95 : 368,483.99 = 77,170.12 : x - Step 2: Convert to fraction form
245,652.95/368,483.99 = 77,170.12/x - Step 3: Cross multiply
245,652.95x = 368,483.99 × 77,170.12 - Step 4: Simplify right side
245,652.95x = 28,435,952,419.32 - Step 5: Solve for x
x = 28,435,952,419.32/245,652.95 - Step 6: Final answer
x = 115,756.61
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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.