Finding the Fourth Proportional to 628,446.47, 942,656.95 and 155,135.93
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Solution
The fourth proportional to 628,446.47, 942,656.95 and 155,135.93 is: 232,700.75
Step by Step Solution
- Step 1: Write the proportion equation
628,446.47 : 942,656.95 = 155,135.93 : x - Step 2: Convert to fraction form
628,446.47/942,656.95 = 155,135.93/x - Step 3: Cross multiply
628,446.47x = 942,656.95 × 155,135.93 - Step 4: Simplify right side
628,446.47x = 146,239,962,609.21 - Step 5: Solve for x
x = 146,239,962,609.21/628,446.47 - Step 6: Final answer
x = 232,700.75
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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.