Finding the Fourth Proportional to 473,207.80, 709,811.70 and 140,783.80
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Solution
The fourth proportional to 473,207.80, 709,811.70 and 140,783.80 is: 211,175.70
Step by Step Solution
- Step 1: Write the proportion equation
473,207.80 : 709,811.70 = 140,783.80 : x - Step 2: Convert to fraction form
473,207.80/709,811.70 = 140,783.80/x - Step 3: Cross multiply
473,207.80x = 709,811.70 × 140,783.80 - Step 4: Simplify right side
473,207.80x = 99,929,988,410.46 - Step 5: Solve for x
x = 99,929,988,410.46/473,207.80 - Step 6: Final answer
x = 211,175.70
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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.