Finding the Fourth Proportional to 477,652.68, 716,312.70 and 157,736.16
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Solution
The fourth proportional to 477,652.68, 716,312.70 and 157,736.16 is: 236,549.32
Step by Step Solution
- Step 1: Write the proportion equation
477,652.68 : 716,312.70 = 157,736.16 : x - Step 2: Convert to fraction form
477,652.68/716,312.70 = 157,736.16/x - Step 3: Cross multiply
477,652.68x = 716,312.70 × 157,736.16 - Step 4: Simplify right side
477,652.68x = 112,988,414,657.23 - Step 5: Solve for x
x = 112,988,414,657.23/477,652.68 - Step 6: Final answer
x = 236,549.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.