Finding the Fourth Proportional to 657,931.02, 986,931.62 and 208,686.53
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Solution
The fourth proportional to 657,931.02, 986,931.62 and 208,686.53 is: 313,040.92
Step by Step Solution
- Step 1: Write the proportion equation
657,931.02 : 986,931.62 = 208,686.53 : x - Step 2: Convert to fraction form
657,931.02/986,931.62 = 208,686.53/x - Step 3: Cross multiply
657,931.02x = 986,931.62 × 208,686.53 - Step 4: Simplify right side
657,931.02x = 205,959,331,193.13 - Step 5: Solve for x
x = 205,959,331,193.13/657,931.02 - Step 6: Final answer
x = 313,040.92
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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.