Finding the Fourth Proportional to 473,811.96, 653,665.14 and 330,655.08
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Solution
The fourth proportional to 473,811.96, 653,665.14 and 330,655.08 is: 456,167.67
Step by Step Solution
- Step 1: Write the proportion equation
473,811.96 : 653,665.14 = 330,655.08 : x - Step 2: Convert to fraction form
473,811.96/653,665.14 = 330,655.08/x - Step 3: Cross multiply
473,811.96x = 653,665.14 × 330,655.08 - Step 4: Simplify right side
473,811.96x = 216,137,699,159.91 - Step 5: Solve for x
x = 216,137,699,159.91/473,811.96 - Step 6: Final answer
x = 456,167.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.