Finding the Fourth Proportional to 542,652.59, 813,985.75 and 205,602.70
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Solution
The fourth proportional to 542,652.59, 813,985.75 and 205,602.70 is: 308,406.65
Step by Step Solution
- Step 1: Write the proportion equation
542,652.59 : 813,985.75 = 205,602.70 : x - Step 2: Convert to fraction form
542,652.59/813,985.75 = 205,602.70/x - Step 3: Cross multiply
542,652.59x = 813,985.75 × 205,602.70 - Step 4: Simplify right side
542,652.59x = 167,357,667,961.53 - Step 5: Solve for x
x = 167,357,667,961.53/542,652.59 - Step 6: Final answer
x = 308,406.65
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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.