Finding the Fourth Proportional to 570,133.08, 786,799.98 and 315,507.96
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Solution
The fourth proportional to 570,133.08, 786,799.98 and 315,507.96 is: 435,410.02
Step by Step Solution
- Step 1: Write the proportion equation
570,133.08 : 786,799.98 = 315,507.96 : x - Step 2: Convert to fraction form
570,133.08/786,799.98 = 315,507.96/x - Step 3: Cross multiply
570,133.08x = 786,799.98 × 315,507.96 - Step 4: Simplify right side
570,133.08x = 248,241,656,617.84 - Step 5: Solve for x
x = 248,241,656,617.84/570,133.08 - Step 6: Final answer
x = 435,410.02
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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.