Finding the Fourth Proportional to 615,149.70, 922,724.55 and 260,045.70
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Solution
The fourth proportional to 615,149.70, 922,724.55 and 260,045.70 is: 390,068.55
Step by Step Solution
- Step 1: Write the proportion equation
615,149.70 : 922,724.55 = 260,045.70 : x - Step 2: Convert to fraction form
615,149.70/922,724.55 = 260,045.70/x - Step 3: Cross multiply
615,149.70x = 922,724.55 × 260,045.70 - Step 4: Simplify right side
615,149.70x = 239,950,551,511.94 - Step 5: Solve for x
x = 239,950,551,511.94/615,149.70 - Step 6: Final answer
x = 390,068.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.