Finding the Fourth Proportional to 470,070.18, 705,015.09 and 133,029.45
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Solution
The fourth proportional to 470,070.18, 705,015.09 and 133,029.45 is: 199,518.65
Step by Step Solution
- Step 1: Write the proportion equation
470,070.18 : 705,015.09 = 133,029.45 : x - Step 2: Convert to fraction form
470,070.18/705,015.09 = 133,029.45/x - Step 3: Cross multiply
470,070.18x = 705,015.09 × 133,029.45 - Step 4: Simplify right side
470,070.18x = 93,787,769,664.40 - Step 5: Solve for x
x = 93,787,769,664.40/470,070.18 - Step 6: Final answer
x = 199,518.65
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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.