Finding the Fourth Proportional to 368,482.24, 508,499.60 and 207,337.20
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Solution
The fourth proportional to 368,482.24, 508,499.60 and 207,337.20 is: 286,122.02
Step by Step Solution
- Step 1: Write the proportion equation
368,482.24 : 508,499.60 = 207,337.20 : x - Step 2: Convert to fraction form
368,482.24/508,499.60 = 207,337.20/x - Step 3: Cross multiply
368,482.24x = 508,499.60 × 207,337.20 - Step 4: Simplify right side
368,482.24x = 105,430,883,265.12 - Step 5: Solve for x
x = 105,430,883,265.12/368,482.24 - Step 6: Final answer
x = 286,122.02
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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.