Finding the Fourth Proportional to 507,948.60, 700,970.08 and 281,594.12
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Solution
The fourth proportional to 507,948.60, 700,970.08 and 281,594.12 is: 388,600.45
Step by Step Solution
- Step 1: Write the proportion equation
507,948.60 : 700,970.08 = 281,594.12 : x - Step 2: Convert to fraction form
507,948.60/700,970.08 = 281,594.12/x - Step 3: Cross multiply
507,948.60x = 700,970.08 × 281,594.12 - Step 4: Simplify right side
507,948.60x = 197,389,052,823.93 - Step 5: Solve for x
x = 197,389,052,823.93/507,948.60 - Step 6: Final answer
x = 388,600.45
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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.